Nătch, n.

n. [O. Fr. nache, nage, fesse, Pr. nagga, Sp. nalga, It. & L. Lat. natica, from Lat. natis, the rump, buttocks.] [Written also nach.]

1. The part of an ox between the loins, near the rump.
2. A feat; as, a rare natch. [Prov. Eng.] Wright.
3. (pl.) The notches or embrasures of a battlement. [Prov. Eng.] Halliwell.