Page:Dictionary of aviation.djvu/80

 56 DICTIONARY OF AVIATION

or striated mass of haze or ice-cloud high up in the sky; cirrus-haze.

cirrose 'si,zos adj. of the nature of cirrus or curl-cloud; fila- mentous; wispy; cirrous.

cirrostrative ,sizo'str,ee-tiv adj. [also spelt cirrostrativ] of cirro-stratus cloud.

cirrostratous ,sizo'stree-t3S adj. having the ferm or nature of a cirro-stratus cloud.

cirro-stratus ,sizo'stree-t3s n. [also spelt cirrostratus] a ferm of cloud combining the shapes of the cirrus and the stratus and often giving rise to halos around the sun or moon; cirrus haze.

cirrous 'siz9s adj. of the nature of cirrus or curl-cloud; fila- mentous; wispy; cirrose.

cirro-velum ,sizo'vii-l9m n. [also spelt cirrovelum} a hori- zontal velum or thin veil-like sheet of cirro-stjatus cloud.

cirrus 'siz9s n. [ploral cirri] a form of cloud presenting the appearance of parallel or divergent filaments or wisps, or resembling a lock of hair or wool, generally at a great ele- vation and spreding indefinitly; cat's-tail, cat's-tails; mare's-tails ; curl-cloud.

cirrus haze, see under haze.

false cirrus, a veil or screen of fibrous cloud sometimes surrounding the top of cumulo-nimbus or thunder-cloud; a delicate ichite cirrus-like cloud streaming away from the summit of a tall cumulus cloud.

magnetic cirrus, cirrus clouds arranged in parallel bands erroneously supposed to be fermd by magnetic influence; a polar band ; a Noah's ark.

reticulated cirrus, an interlaced mass or network of threds or striae in a dense cirrus cloud.

tailed cirrus, small cirro-cumulus or alto-cumulus clouds with tail-like streaks of snowf lakes or fine rain-dreps drift- ing or falling slowly behind them.

undulate cirrus, cirrus cloud disposed in waves or gentle curvs; undulated cirrus.

cirrus-flecked 'siz9s,fz,ekt adj. [also spelt cirrus^lect\ fleet or dotted over with cirrus cloud.

cirrus-haze 'siz9S,heez n. a haze among or above alto-cirrus clouds; cirro-nebula.

cirrus-like 'siz9s,laik adj. like cirrus or curl-cloud.

claw ktc: n. a sharp hookt end of a hm of a bird or other animal ; any claw-like hook : as, the *claw of a grapnel.

clearance 'kz.i:-zdns n. clear space, room, or distance, as between the rear edges of the main planes of an aeroplane flying-machine and the propeller.

�� �