A seal, Ommatophoca rossii, which is found around Antarctica

weatherstrip to seal the door when closed.

Alternative form of seal script

(Islam) Muhammad

The impression of a seal worn on the hand as a ring.

simple past tense and past participle of seal off

(transitive) To physically isolate an area or building for security reasons preventing passage of humans or vehicles.

A specialised washer that ensures a gas-tight seal between the cylinder yoke or regulator of an anaesthetic machine or any medical device requiring a gas supply, and a gas cylinder.

(archaic) Any of several species of eared seal, but especially the northern fur seal, Callorhinus ursinus

Erignathus barbatus, a medium-sized pinniped with conspicuous whiskers, found in and around the Arctic Ocean.