Bullace \Bul"lace\, n. [OE. bolas, bolace, OF. beloce; of Celtic origin; cf. Arm. bolos, polos, Gael. bulaistear.]

(Bot.)
   (a) A small European plum (Prunus communis, var. insitita). See Plum.
   (b) The bully tree.

Source: Webster's Revised Unabridged Dictionary (1913)