The Collaborative International Dictionary
Pyrus Aria
Whitebeam \White"beam`\, n. (Bot.) The common beam tree of England ( Pyrus Aria); -- so called from the white, woolly under surface of the leaves.
Pyrus aria
Beam tree \Beam" tree`\ [AS. be['a]m a tree. See Beam.] (Bot.) A tree ( Pyrus aria) related to the apple.