Tart (?), a. [AS. teart. √63.
Cf. Tear, v. t.] 1. Sharp to
the taste; acid; sour; as, a tart apple.
2. Fig.: Sharp; keen; severe; as, a tart
reply; tart language; a tart rebuke.
Why art thou tart, my brother?
Bunyan.Tart, n. [OE. tarte, F. tarte;
perhaps originally the same word as tourte, LL. torta, fr. L.
tortus, p. p. of torquere to twist, bend, wind, because tarts
were originally made of a twisted shape. Cf. Torture,
n.] A species of small open pie, or piece of pastry,
containing jelly or conserve; a sort of fruit pie.