a small tree, Leitneria floridana, of the southeastern US, having very lightweight porous wood: family Leitneriaceae
2.
any other tree with light porous wood
3.
the wood of any of these trees
corkwood in American English
(ˈkɔrkˌwʊd)
noun
1.
any of several trees whose wood is very light
; specif.,
a. US
the only species (Leitneria floridana) of a family (Leitneriaceae, order Leitneriales) of dicotyledonous shrubs or small trees found in swampy regions of the SE U.S.