/sik"euh mawr', -mohr'/ , n.
1. Also called buttonwood . any of several North American plane trees, esp. Platanus occidentalis, having shallowly lobed ovate leaves, globular seed heads, and wood valued as timber.
2. Brit. the sycamore maple.
3. a tree, Ficus sycomorus, of the Near East, related to the common fig, bearing an edible fruit.
[ 1300-50; ME sicomore sycomorus sykómoros, equiv. to syko ( n ) fig + mór ( on ) mulberry + -os n. suffix, appar. by folk etymology shiqmah sycamore ]