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black spruceBlack squall
black squirrel
black stork
black sumac
black swan
Black Tai
black tea
black tellurium
black tie
Black tin
black tongue
black tree fern
black turnstone
Black vomit
black vulture
-- black walnut --
black walnut tree
Black warrior
Black wash
black water shrew
black wattle
black weevil
black whale
Black widgeon
black widow
black willow
Black wolf
Black woman
Black-a-vised
black-and-blue
black-and-tan coonhound
black-and-tan terrier
black walnut
| Noun | 1. |  black walnut - North American walnut tree with hard dark wood and edible nut |
| 2. | black walnut - American walnut having a very hard and thick woody shell |