lead-n; 17 Senses

Sense Number 1: a heavy metallic chemical element

Commentary: LEAD[+entity][+substance][+chemical][+element][+heavy][+metallic]

Examples:
The toy shop had an elaborate display of toy lead soldiers.
The doctor determined that the child had lead poisoning.
Before they could sell the house, the lead paint had to be removed.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 2

Sense Number 2: an advantageous position or state

Commentary: LEAD[+state][+competition][+advantageous] LEAD[+quantity][+discrete][+margin][+score/+time/+distance]

Examples:
The black horse took the lead on the backstretch.
Their firm still has a technological lead in intelligent network switches.
They had a two-run lead in the third inning.
They only had a six-month lead over their competitor in developing the new drug.

Mappings:
PropBank: lead.01
WordNet 3.0 Sense Numbers: 1, 7

Sense Number 3: a clue, hint, useful evidence

Commentary: LEAD[+entity][+symbolic][+information][+evidence] LEAD[+relation][+role][+clue][+information]

Examples:
The police are looking for any leads they can find into these recent murders.
The reporter got a couple of leads from vendors along the waterfront.
Our sales force is pursuing some promising leads in New York.
John got a good lead for a job.
He gave me a bad lead on some energy stocks.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 3, 10

Sense Number 4: the initiative in an action, guiding others

Commentary: LEAD[+action][+initiative]
NOTE: implies the agent starts or initiates before others do so.

Examples:
They want the United States to take the lead in negotiating a cease-fire.
They followed her lead in adhering to the new, more formal dress code at work.
John has taken the lead in getting to know the new neighbors down the street.

Mappings:
PropBank: lead.03
WordNet 3.0 Sense Numbers: 4

Sense Number 5: the correctional angle of aim on a moving target

Commentary: LEAD[+quantity][+angle][+correctional][+aim][+target][+moving]

Examples:
The lead between his pistol and the fleeing assailant was very small.
The missile missed the aircraft because they had miscalculated the lead.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 5

Sense Number 6: the introductory portion of a story

Commentary: LEAD[+entity][+structure][+document][+story][+introduction]

Examples:
The article had an amusing lead to the otherwise somber story.
A lead should engage the reader quickly.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 6

Sense Number 7: someone who plays a principal role

Commentary: LEAD[+relation][+role][+principal] [+person][+actor/+manager]

Examples:
Mary got the lead in the school play.
He is the product lead for their new software application.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 8

Sense Number 8: proximity of a base runner to the base (in baseball)

Commentary: LEAD[+location][+proximity][+runner][+base][+baseball] [+action][+footstep][+baseball][+base][+beyond]

Examples:
The runner took a lead off first base before the pitch.
The player got tagged at second by the pitcher because his lead off the plate was too big.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 9

Sense Number 9: a big news story, significant event

Commentary: LEAD[+event][+significant][+publicized]

Examples:
The explosion of the warehouse was the lead story on tonight's news.
This story will be the lead in tomorrow's paper.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 11

Sense Number 10: timing of ignition spark on a combustion engine

Commentary: LEAD[+action][+sparking][+timed][+ignition]

Examples:
The mechanic tuned the lead of the spark plugs.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 12

Sense Number 11: a leash or tether to control an animal

Commentary: LEAD[+entity][+artifact][+line][+tether]

Examples:
Dogs must be on a lead at all times in this park.
The horse followed her on a lead from the stable to the riding ring.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 13

Sense Number 12: thin metal strips used in typesetting

Commentary: LEAD[+entity][+artifact][+strip][+metal][+type]

Examples:
The printer adjusted his leads between the lines of typesetting.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 14

Sense Number 13: graphite-clay compound used in lead pencils

Commentary: LEAD[+entity][+substance][+chemical][+compound][+graphite_clay]

Examples:
The school supplies included pens and lead pencils.
Mary put a fresh stick of lead into her lead pen.
These pencils have softer lead than those.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 15

Sense Number 14: electrical cables, jumpers

Commentary: LEAD[+entity][+artifact][+cable][+electric][+jumper]

Examples:
John put leads from his car engine to Mary's to start it when her battery was dead.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 16

Sense Number 15: an initial card play, e.g., bridge bid

Commentary: LEAD[+action][+play][+first][+game][+card]

Examples:
Mary's lead was four clubs.
It's your lead.

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 17

Sense Number 16: a channel of water

Commentary: LEAD[+entity][+structure][+channel][+water]

Examples:
Melting ice formed several leads across the glacier.
That channel of water is the lead of the old textile mill.

Mappings:
PropBank: NM
WordNet 0.0 Sense Numbers: 7

Sense Number 17: the advancement of one turn of a screw

Commentary: LEAD[+quantity][+distance][+advancement][+one][+turn][+screw]

Examples:
The screw would only turn a couple of leads into the wall.

Mappings:
PropBank: NM
WordNet 0.0 Sense Numbers: 6