Seal

Seal may refer to any of the following:

==Common uses== Pinniped, a diverse group of semi-aquatic marine mammals, many of which are commonly called seals, particularly: Earless seal, also called "true seal" Fur seal Eared seal Seal (emblem), a device to impress an emblem, used as a means of authentication, on paper, wax, clay or another medium (the impression is also called a seal) Seal (mechanical), a device which helps prevent leakage, contain pressure, or exclude contamination where two systems join Hermetic seal, an airtight mechanical seal Security seals such as labels, tapes, bands, or ties affixed onto a container in order to prevent and detect tampering