1.
a drawback or difficulty that is not readily evident
2.
something unspecified whose name is either forgotten or not known
3.
any clever maneuver
it was a great sales gimmick
a cheap promotions gimmick for greedy businessmen
Tycho Brahe, a 16th century astronomer, lost his nose in a duel with one of his students over a mathematical computation. He wore a silver replacement nose for the rest of his life.
