THWACK
Thwack, n.
Defn: A heavy blow with something flat or heavy; a thump. With many a stiff thwack, many a bang, Hard crab tree and old iron rang. Hudibras.
THWAITE
Thwaite, n. (Zoöl.)
Defn: The twaite.
THWAITE Thwaite, n. Etym: [CF. Icel. a piece of land, fr. to cut. See Thwite, and cf. Doit, and Twaite land cleared of woods.]
Defn: Forest land cleared, and converted to tillage; an assart. [Obs. or Prov. Eng.]
Note: Thwaite occurs in composition as the last element in many names of places in the north of England; as, in Rosthwaite, Stonethwaite.
THWART Thwart, a. Etym: [OE. , , a. and adv., Icel. , neut. of athwart, transverse, across; akin to AS. perverse, transverse, cross, D. dwars, OHG. dwerah, twerh, G. zwerch, quer, Dan. & Sw. tver athwart, transverse, Sw. tvär cross, unfriendly, Goth. angry. Cf. Queer.]
1. Situated or placed across something else; transverse; oblique. Moved contrary with thwart obliquities. Milton.
2. Fig.: Perverse; crossgrained. [Obs.] Shak.