TACK
Source: 566, 567
tack. Tack, n. a small nail, rope, turn of a ship, lease
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Tack (?), n. [[From an old or dialectal form of F. tache. See Techy.]] 1. 1. A stain; a tache.
2. 2. [[Cf. L. tactus.]] A peculiar flavor or taint; as, a musty tack. Drayton.