any tree of the genus Pterocarya; fruit is a small winged nutlet; Caucasus to southeastern Asia
a threaded nut with winglike projections for thumb and forefinger leverage in turning
a movable organ for flying (one of a pair)
a stage area out of sight of the audience
a unit of military aircraft
usually large hard-shelled seed
a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt
