Page:Dictionary of aviation.djvu/74

 50 DICTIONARY OF AVIATION

��buzzard 'bAzazd n. any hawk of the genus Buteo, etc. buzzing "bAzirj n. a low humming-sound like that of bees, or

of the letter z, sometimes heard in the ears when traveling

at a considerable elevation above the earth.

��caisson 'kee-ssn. [synonymous cognate caissoori] a waters tight bex or floating deck sometimes attacht to an airship to keep it afloat in case it falls into the water.

calamus n. 'kaela-mas [plural calami} the quill or tubular part of the stem or scape of a f ether; the barrel.

callina ,ksel'jii-n9 n. a dfy feg, occurring in Spain.

calm ka:m n. entire want of wind; absence of air^currents of any kind.

Calms of Cancer, the region of high barometric pressure and relativ calm located under the tropic of Cancer, etc.; the horse latitudes.

dead calm, an absolute or complete calm. region of calms, the region or t^act in the Atlantic and Pacific oceans on the confines of the tjadewmds tuhere calms of long duration prevail; the calm latitudes.

calm-belt 'ka:m,belt n. a belt or zone of relativ calm on the equatorial side of the tjadewinds; a belt of calms.

calm-zone 'ka:m,zoon n. a zone or atmosfenc region, at a certain altitude, which is calm, or free from wind; a zone of discontinuity, see under zone.

camber 'ksembsz n. a cenvexjty or arch, as of an aerocurv; the curvature or bend of an aerofoil, mesurd upon a line perpendicular to the chord of the curv and passing thru the highest point of the surface.

cambric 'keem-bzik n. a kind of fine white linen cloth origi- nally made at Cambray in Flanders; also, an imitation of this fabric, made of hard^spun cotton yarn. It is used in making aircraft.

caoutchouc 'kou,t$uk n. india-rubber or gum elastic, derived from the milky resinous juice of certain tees in South America, Africa and the East Indies, often used in making balloon-envelops.

capsize ,ksep'saiz v.

1. tr. upset, overturn.

2. intr. be upset or overturnd.

captain 'kseptm n. the commanding officer of a balloon or airship; the hed aeronaut.

captive 'kseptiv adj. [also spelt captiv] kept in restraint; pre- vented from ascending freely or escaping; connected to

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