bittersweet
— Noun
– English
~ twining shrub of North America having yellow capsules enclosing scarlet seeds
bitterweed
— Noun
– English
~ any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
bitterweed
— Noun
– English
~ widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States
bitterwood
— Noun
– English
~ medium to large tree of tropical North and South America having odd-pinnate leaves and long panicles of small pale yellow flowers followed by scarlet fruits
bitterwood
— Noun
– English
~ handsome South American shrub or small tree having bright scarlet flowers and yielding a valuable fine-grained yellowish wood; yields the bitter drug quassia from its wood and bark
bitterwood
— Noun
– English
~ West Indian tree yielding the drug Jamaica quassia
bitthead
— Noun
– English
~ the upper end of a bitt
bittie
— Adjective
– English
~ (used informally) very small; "a wee tot"