Sloe \Sloe\ (sl[=o]), n. [OE. slo, AS. sl[=a]; akin to D. slee, G. schlehe, OHG. sl[=e]ha, Dan. slaaen, Sw. sl[*a]n, perhaps originally, that which blunts the teeth, or sets them on edge (cf. Slow); cf. Lith. slywa a plum, Russ. sliva.]

(Bot.) A small, bitter, wild European plum, the fruit of the blackthorn (Prunus spinosa); also, the tree itself. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

31 Moby Thesaurus words for "sloe": atramentous, black, black as coal, black as ebony, black as ink, black as midnight, black as night, coal-black, coaly, dark, dark as night, dark as pitch, deep black, ebony, ink-black, inky, jetty, midnight, night-black, night-dark, nigrous, pitch-black, pitch-dark, pitchy, raven, raven-black, sable, sloe-black, sloe-colored, tar-black, tarry

Source: Moby Thesaurus II by Grady Ward, 1.0
 

sloe

Source: WordNet (r) 2.0
 

Sloe \Sloe\, n. [OE. slo, AS. sl[=a]; akin to D. slee, G. schlehe, OHG. sl$ha, Dan. slaaen, Sw. sl?n, perhaps originally, that which blunts the teeth, or sets them on edge (cf. Slow); cf. Lith. sliwa a plum, Russ. sliva.]

(Bot.) A small, bitter, wild European plum, the fruit of the blackthorn (Prunus spinosa); also, the tree itself.

Source: Webster's Revised Unabridged Dictionary (1913)