buttonwood

[buht-n-woo d] /ˈbʌt nˌwʊd/
noun
1.
Chiefly Eastern New England, sycamore (def 1).
Origin
1665-75, Americanism; button + wood1
Examples from the web for buttonwood
  • The zone where white mangrove and buttonwood trees grow is almost never flooded by tidal waters.
  • Dead buttonwood snags interrupt these expanses that were shaped by hurricanes.
British Dictionary definitions for buttonwood

buttonwood

/ˈbʌtənˌwʊd/
noun
1.
Also called buttonball. a North American plane tree, Platanus occidentalis See plane tree
2.
a small West Indian tree, Conocarpus erectus, with button-like fruits and heavy hard compact wood: family Combretaceae
Word Origin and History for buttonwood
n.

also button-wood, "North American plane tree," 1690s, from button (n.) + wood (n.). So called for their characteristic round fruit.