Defn: See Twayblade.

TY-ALL
Ty"-all`, n.

Defn: Something serving to tie or secure. [Obs.] Latimer.

TYBURN TICKET Ty"burn tick`et. Etym: [So called in allusion to Tyburn, formerly a place of execution in England.] (O. Eng. Law)

Defn: A certificate given to one who prosecutes a felon to conviction, exempting him from certain parish and ward offices.

TYCHISM
Ty"chism, n. [Gr. ty`chh fortune, chance + -ism.]

Defn: Any theory which conceives chance as an objective reality; esp., a theory of evolution which considers that variation may be purely fortuitous.

TYCHONIC
Ty*chon"ic, a.

Defn: Of or pertaining to Tycho Brahe, or his system of astronomy.

TYCOON
Ty*coon", n. Etym: [Chinese tai-kun great prince.]