Definitions
1.NounA marine crustacean of the subclass Cirripedia that attaches itself to submerged surfaces such as tidal rocks or the bottoms of ships.
2.NounThe barnacle goose.
3.NounIn electrical engineering, a change made to a product on the manufacturing floor that was not part of the original product design.
4.NounOn printed circuit boards, a change such as soldering a wire in order to connect two points, or addition such as an added resistor or capacitor, subassembly or daughterboard.
5.NounA deprecated or obsolete file, image or other artifact that remains with a project even though it is no longer needed."(The addition of quotations indicative of this usage is being sought:)"
6.NounAn instrument like a pair of pincers, to fix on the nose of a vicious horse while shoeing so as to make it more tractable.
7.NounA pair of spectacles.
8.NounA good job, or snack easily obtained.
9.NounA worldly sailor.
10.VerbTo connect with or attach.
11.VerbTo press close against something.