seal-n; 8 Senses

Sense Number 1: a wax closure on a document

Commentary: SEAL[+artifact][+substance][+wax][+closure][+on_document]

Mary likes to close her personal letters with a red wax seal.
The king broke the seal on the scroll and opened it up.

WordNet 3.0 Sense Numbers: 1

Sense Number 2: an official stamp providing authentication of document

Commentary: SEAL[+artifact][+stamp][+official][+for_authentication][+of_document]

The front page of the letter bore an official government seal.
The university seal on this diploma may have actually been forged.

WordNet 3.0 Sense Numbers: 2, 5

Sense Number 3: the thick fur of a marine mammal

Commentary: SEAL[+body_part][+fur][+mammal][+marine]

She modeled two coats for the client, one of mink and one of seal.
Seal is a very warm fur.

WordNet 3.0 Sense Numbers: 3

Sense Number 4: a state of endorsement or approval

Commentary: SEAL[+state][+of_endorsement][+approval]

The former president has not given his seal of approval to the candidate.
The bailout plan has the seal of approval of the Treasury department.

WordNet 3.0 Sense Numbers: 6

Sense Number 5: coating used as a repellant to moisture

Commentary: SEAl[+artifact][+substance][+coating][+repellant][+for_moisture]

The oil primer makes a good seal for the wood against moisture.
The artist completed the oil painting with a light seal of varnish.

WordNet 3.0 Sense Numbers: 7

Sense Number 6: device that is a tight-fitting closure

Commentary: SEAL[+artifact][+device][+closure][+tight_fitting]

The seals on these engine valves need replacing.
Mary used rubber rings as seals for her canning jars.

WordNet 3.0 Sense Numbers: 8

Sense Number 7: a marine mammal

Commentary: SEAL[+entity][+animal][+mammal][+marine]

The kayakers saw hundreds of seals sitting on rocks in the harbor.
The activists sprayed the baby seals with green paint to protect them from hunters.

WordNet 3.0 Sense Numbers: 9

Sense Number 8: a state of imperviousness

Commentary: SEAL[+state][+of_imperviousness]

Many fittings have tapered threads to provide a better seal.
The denture cream did not provide a lasting seal between the gums and the dentures.

WordNet 0.0 Sense Numbers: 1a