Page:Dictionary of aviation.djvu/218

 194 DICTIONARY OF AVIATION

tacht clouds moving rapidly under a mass of stermscloud ;

fracto^nimbus cloud. scull skAf intr. make movements similar to those of one who

sculls a boat; make strokes with the outer portion of the

wings, turning these parts of the wings at each stroke. sea-anchor 'sii,aerjk9z n. a water-anchor attacht to an air- craft, for use at sea. sea-bird 'sii,bB:zd n. a bird that lives habitually over or

near the sea; a marine or pelagic web^footed bird; a sea*

fowl, compare land-bird. seaboard 'sii,bo:zd n. the sea^shore or sea^coast; the coaste

line of the sea or ocean. sea-breeze 'sii,bziiz n. a breeze blowing from the sea toward

the land; a diurnal breeze occurring near the sea^coast,

commonly lasting from about 10 o'clock in the forenoon

till sunset, compare land-breeze. sea-dust 'sii,dAst n. dust, usually of bricksrred color, borne

from deserts far out to sea where it appears as red feg or

sirocco^dust, or in bloodstain. sea-edge 'sii,ed3 n. the edge of the open sea or ocean next

to the ice-field; the boundaryzline between the open and

the frozen arctic sea. sea-horizon 'sri-no^ai-zan n. the horizon or circle which

bounds the view of the observer at sea; the sensible or

visible horizon of one who is upon the open ocean. sea-gull 'sii,gAt n. any bird of the subfamily Larinae most

of which fly over the sea and inland waters; also, one of

certain of the larger terns; a gull. sea-horse 'sri,he:zs n.

flying sea-horse, one of a family of fishes, the Pegasi-

dae, typified by the genus Pegasus. seam siim n. one of the lines joining the sewd or stitcht

edges of the silk or other gores of the envelop of the gasbag

of a balloon; the line of union between two contiguous

gores. sea-plane 'sii,pteen. the plane or level constituting the

surface of the sea ; the two-dimensional surface of the ocean

or sea. searchlight 'sB:zt$,lait n. a powerful light or lamp with a

parabolic reflector or lens used, as en an airship, for

searching out or illuminating distant objects. seasickness 'si^sikNis n. the state or condition of being

seasick; nausea. seat-back 'siit,baek n. the movable back of the seat or chair

occupied by the driver, as in a Curtiss aeroplane, by which

�� �