defend-v; 3 Senses

Sense Number 1: protect or resist against an physical attack

Commentary: Syntax Includes: NP1[instrument] DEFEND NP2[patient] NP1[actor] DEFEND NP2[actor]
NOTE: a physical gesture of protecting someone or something.
NOTE: IF physical action is not specifically implied or uncertain, then choose sense 2.

Examples:
The soldiers could not defend the forward line and had to drop back.
Their team is not defending the end zone very well today.
This medicine will defend against heart worm in your pets.
White blood cells help defend the body against infection.
Bill had to defend his plate of chocolate cookies from his office mates.
I'm going to karate lessons to learn how to defend myself.

Mappings:
VerbNet: defend-72.2
FrameNet: NM
PropBank: defend.01
WordNet 3.0 Sense Numbers: 2, 3, 4

Sense Number 2: protect or speak up against criticism or opposition

Commentary: Syntax Is: NP1[agent[human]] DEFEND NP2[topic[abstract]]
NOTE: generally implies a verbal endorsement of a process, state or concept
NOTE: includes legal courtroom defense.

Examples:
John defended his thesis brilliantly before the committee.
The administration is defending its economic policies.
He hasn't agreed to defend our position at tomorrow's meeting.
I won't defend her actions in this matter.
Bob defended his little sister against their mother's criticisms.
They are fighting to defend their rights.
He vigorously defended his point of view.
That law firm has a reputation for defending members of the mob.
The famous attorney will defend her in the high-profile murder case.

Mappings:
VerbNet: defend-72.2
FrameNet: Justifying
PropBank: defend.01
WordNet 3.0 Sense Numbers: 1, 5, 6, 7

Sense Number 3: compete to retain a title

Commentary: Syntax Is: NP[actor] DEFEND NP[patient] (PP{P NP3[actor]})

Examples:
They'll be defending their title this year against the Giants.
He has defended his heavyweight title against four contenders.
The three-year old colt continues to defend his shot at the Triple Crown with today's win.

Mappings:
VerbNet: defend-72.2
FrameNet: NM
PropBank: defend.01