(idiomatic) To keep quiet; to keep a secret; to not tell.

(idiomatic) One will not tell anyone else; one is keeping a secret.

Alternative spelling of sea horse

(aircraft, nautical) Any aircraft capable of taking off from, and alighting on the surface of water.

A tool used to seal something. / A person who is employed to seal things. / An officer responsible for sealing writs or instruments, stamping weights and measures, etc.

A person who hunts seals. / A vessel engaged in the business of capturing seals.

An arctic seal, Cystophora cristata, notable for the fleshy bulge on its forehead and nose.

One who searches. / (UK, historical) An officer in London appointed to examine the bodies of the dead, and report the cause of death.

An extremely fine, rare and valuable fabric produced from the long silky filaments or byssus excreted by several molluscs (particularly Pinna nobilis, rough penshell) by which they attach themselves to the sea bed.

plural of sea lion