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ect; -- called also walking straw. See Illust. of Stick insect, under Stick. -- Walking wheel (Mach.), a prime mover consisting of a wheel driven by the weight of men or animals walking either in it or on it; a treadwheel.

A lantern wheel; a trundle.

a warning voice. That warning timepiece never ceased. Longfellow. Warning piece, Warning wheel (Horol.), a piece or wheel which produces a sound shortly before the clock strikes.

for the head or nut, or around a wagon axle to prevent endwise motion of the hub of the wheel and relieve friction, or in a joint to form a packing, etc.

A water wheel; especially, a small water wheel driven by water from a street main.

ruction serving, instead of spokes, for connecting the rim and hub, in some kinds of car wheels, sheaves, etc.

A friction gear wheel with wedge-shaped circumferential grooves. -- Wedge gearing.

In machine-made stockings, a strip, or flap, of which the heel is formed.

Passing to the west. Toward heaven's descent had sloped his westering wheel. Milton.

One of the teeth of a sprocket wheel.

roduced by rapid or whirling motion; as, the whir of a partridge; the whir of a spinning wheel.

revolving motion; to snatch; to harry. Chaucer. See, see the chariot, and those rushing wheels, That whirled the prophet up at Chebar flood. Milton. The passionate heart of the poet is whirl'd into folly. Tennyson.

A child's toy, spun or whirled around like a wheel upon an axis, or like a top. Johnson.

r illustrating the phenomena and laws of centrifugal force, and the like. (b) A potter's wheel.

A potter's wheel.

he chamber of canal locks is emptied, or by which the amount of water passing to a water wheel is regulated.

. Carriage wrench, a wrench adapted for removing or tightening the nuts that confine the wheels on the axles, or for turning the other nuts or bolts of a carriage or wagon. -- Monkey wrench. See under Monkey. -- Wrench hammer, a wrench with the end shaped so as to admit of being used as a hammer.

A partition in a water wheel, by which the form of the buckets is determined. Wrest pin (Piano Manuf.), one of the pins around which the ends of the wires are wound in a piano. Knight. -- Wrest plank (Piano Manuf.), the part in which the wrest pins are inserted.

a mechanic; esp., a worker in wood; -- now chiefly used in compounds, as in millwright, wheelwright, etc. He was a well good wright, a carpenter. Chaucer.

ent; to kick or strike suddenly; to jerk. Their wounded steeds . . . Yerk out their armed heels at their dead masters. Shak.