JUMPING p.
deer (Zoöl.), a South African rodent (Pedetes Caffer), allied to the jerboa. -- Jumping jack, a toy figure of a man, jointed and made to jump or dance by means of strings. -- Jumping louse (Zoöl.), any of the numerous species of plant lice belonging to the family Psyllidæ, several of which are injurious to fruit tre…
JUREL n.
nt southward, where it is valued as a food fish; -- called also hardtail, horse crevallé, jack, buffalo jack, skipjack, yellow mackerel, and sometimes, improperly, horse mackerel. Other species of Caranx (as C. fallax) are also sometimes called jurel.
LAMP n.
is exposed and ignited. Knight. -- Lamp fount, a reservoir for oil, in a lamp. -- Lamp jack. See 2d Jack, n., 4 (l) & (n). -- Lamp shade, a screen, as of paper, glass, or tin, for softening or obstructing the light of a lamp. -- Lamp shell (Zoöl.), any brachiopod shell of the genus Terebratula and allied genera. T…
LAUGHING a.
r primaries black. -- Laughing hyena (Zoöl.), the spotted hyena. See Hyena. -- Laughing jackass (Zoöl.), the great brown kingfisher (Dacelo gigas), of Australia; -- called also giant kingfisher, and gogobera. -- Laughing owl (Zoöl.), a peculiar owl (Sceloglaux albifacies) of New Zealand, said to be on the verge of e…
LEVER n.
wo or more levers acting upon each other. -- Lever escapement. See Escapement. -- Lever jack. See Jack, n., 5. -- Lever watch, a watch having a vibrating lever to connect the action of the escape wheel with that of the balance. Universal lever, a machine formed by a combination of a lever with the wheel and axle, in…
LIFTING a.
Used in, or for, or by, lifting. Lifting bridge, a lift bridge. -- Lifting jack. See 2d Jack, 5. -- Lifting machine. See Health lift, under Health. -- Lifting pump. (Mach.) (a) A kind of pump having a bucket, or valved piston, instead of a solid piston, for drawing water and lifting it to a high level. (b) A pump wh…