D defs.my
Entry 1 sense Webster, 1913

Quicken tree

/kwĭk'-ən trē/ · Quick·en tree · IPA
01 The European rowan tree; -- called also quickbeam, and quickenbeam. See Rowan tree.
  1. 1.
    The European rowan tree; -- called also quickbeam, and quickenbeam. See Rowan tree.(Bot.) Also: quickbeam, quickenbeam See: Rowan tree