corkwood
/ˈkɔːkwʊd/noun
1- a shrub or tree which yields light porous timber, in particular塞子木; 轻木, 尤指：
1.1
- a small American tree which produces timber used for fishing floats (Leitneria floridana, family Leitneriaceae)佛罗里达塞子木（拉丁名Leitrevia flovidana, 塞子木科）。
1.2
- a similar tree native to New Zealand (Entelea arborescens, family Tiliaceae)新西兰椴树（拉丁名Entelea arborescens, 椴树科）。