T

n. A stain; a tache. A peculiar flavor or taint; as, a musty tack.

 - n. A small, short, sharp-pointed nail, usually having a broad, flat head. That which is attached; a supplement; an appendix.

 - (Naut.) (a) A rope used to hold in place the foremost lower corners of the courses when the vessel is close hauled also, a rope employed to pull the lower corner of a studding sail to the boom. (b) The part of a sail to which the tack is usually fastened; the foremost lower corner of fore-and-aft sails, as of schooners (c) ...