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242 DICTIONARY OF AVIATION

wader 'wee-daz n. a bird which wades, as a crane, a stork, or a sandpiper; any bird of the order Grallae or Gralla- tores.

waft wa:t n. a form of aerial propeller.

waft wa:ft tr. bear thru a fluid or buoyant medium, as air; convey thru the atmosfere.

wake week n. the track left by a streamline or other solid bedy moving thru a fluid; the track or stream of agitated air left trailing behind an aerofoil, aeroplane, or airship in flight thru the atmosfere; also, a track, a course, com- pare wash.

wake-current 'week,ki3Z9nt n. a current of, or of the nature of, a wake.

war-balloon 'we:z-b9,loun n. a balloon used in war; a diri- gible or other balloon designed for use in warfare; a mili- tary balloon.

war-car 'wo:z,ka:z n. an aerial car or vessel designed for use in warfare; a warship of the air.

war-kite 'wo:z,kait . a kite used in warfare; a man^lifting kite used for military reconnaissance or observation; a military kite; an ebservation^kite.

warning 'wo:?-nirj n. a signal, such as a flag or pennant, displayd as a warning or cautionary notice of approach- ing winds, storms, hurricanes, etc.

warp wo:zp tr.

1. twist out of shape, as a wing or other aerofoil; turn or bend out of a condition of stjaightness, as the outer por- tions or lateral extremities of the sustaining^surfaces of an aeroplane flymg-machine ; contort.

2. move into some desired place or position by means of a warp or rope secured to something f ixt ; kedge : as, to

  • warp a dirigible into her deck or shed.

warping-device 'we:z-pirj-di,vais n. a device or apparatus used in warping or contorting one or more of the aerofoils in a flymg^machine ; a wmg-warping device; a warping? mechanism.

warping-mechanism 'woiz-pir^meka-nizam n. a mecha- nism for warping the planes or wings of a f lying^machine ; a warping-device.

warping-rope 'wo:z-pin,zoop n. a rope used in warping or flexing the wing or wings of an aeroplane flymg^machine ; the cord by which an aerofoil is warpt by the driver of a flymg^machine.

war-plane 'w:?,pteen n. an aeroplane flying^machine de- signed for use in warfare; an aerial warship of the aero- plane type.

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