Word Study
tush
CIDE DICTIONARY
tush, interj.
An exclamation indicating check, rebuke, or contempt; as, tush, tush! do not speak of it. [1913 Webster]
"Tush, say they, how should God perceive it?" [1913 Webster]
tush, n. [OE. tusch, AS. tusc; akin to OFries. tusk, tusch, and probably to AS. t tooth. See Tooth, and cf. Tusk.].
A long, pointed tooth; a tusk; -- applied especially to certain teeth of horses. [1913 Webster]
tush, n. [Shortened form of tushie.].
The buttocks; -- a euphemism. [PJC]
OXFORD DICTIONARY
tush, int. archaic expressing strong disapproval or scorn.
tush, n.
1 a long pointed tooth, esp. a canine tooth of a horse.
2 an elephant's short tusk.
1 a long pointed tooth, esp. a canine tooth of a horse.
2 an elephant's short tusk.
Etymology
OE tusc TUSK
THESAURUS
tush
arse, ass, baby tooth, bicuspid, bucktooth, bum, can, canine, cheeks, crown, cuspid, cutter, deciduous tooth, dent, denticle, denticulation, dentil, dentition, dogtooth, eyetooth, fang, fanny, fore tooth, gagtooth, gang tooth, gold tooth, grinder, incisor, keister, milk tooth, molar, peg, permanent tooth, pivot tooth, prat, premolar, rusty-dusty, scrivello, snag, snaggletooth, stern, tail, tooth, tuchis, tushy, tusk, wisdom toothFor further exploring for "tush" in Webster Dictionary Online