ash-key

from The Century Dictionary.

• noun The key or samara of the ash-tree; the pericarp of the ash; in heraldry (in the plural), a representation of the keys or samaras of the ash-tree, used as a bearing. Also called ash-candles.

from the GNU version of the Collaborative International Dictionary of English.

• noun the winged seed of the ash tree.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun winged seed of the ash tree