(rare) Alternative form of sealion (“engage in disingenuous debate”)

Any of many marine echinoderms, of the class Echinoidea, commonly found in shallow water, having a complex chewing structure named Aristotle's lantern.

A mariner or sailor, one who mans a ship. Opposed to landman or landsman. / (Britain, Navy) A person of the lowest rank in the Navy, below able seaman.

plural of sealed system

Any device with inner workings obscured.

(geography) An inland sea bound by Southeastern Europe in the west, Eastern Europe in the north and northeast, and Turkey in the south.

A pinniped (Pinnipedia), particularly an earless seal (true seal) or eared seal. / (heraldry) A bearing representing a creature something like a walrus.

(intransitive) To hunt seals.

A stamp used to impress a design on a soft substance such as wax. / An impression of such stamp on wax, paper or other material used for sealing.

(transitive) To place a seal on (a document). / To mark with a stamp, as an evidence of standard exactness, legal size, or merchantable quality.