ETYM Old Eng. cranke; akin to Eng. cringe, cringle, crinkle, and to crank, a., the root meaning, probably, See Cringe.
Handle bent at right angles and connected to the shaft of a machine; it is used to transmit motion or convert reciprocating (back-and-forward or up-and-down) movement into rotary movement, or vice versa.
Although similar devices may have been employed in antiquity and as early as the 1st century in China and the 8th century in Europe, the earliest recorded use of a crank in a water-raising machine is by Arab mathematician al-Jazari in the 12th century. Not until the 15th century, however, did the crank become fully assimilated into developing European technology.—
Rotating shaft with parallel handle; SYN. starter.
ETYM as. elboga, elnboga; eln ell, forearm + boga a bending. Related to Ell Bow.
1. Hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped; SYN. elbow joint, cubitus, cubital joint, articulatio cubiti.
2. The joint of a mammal or bird that corresponds to the human elbow.
3. The part of a sleeve that covers the elbow.
4. A sharp bend in a road, river, or any object.
ETYM Latin cubitum, cubitus; elbow, ell, cubit, from (because the elbow serves for leaning upon) cubare to lie down, recline; cf. Greek kybiton elbow, kyptein to bend, stoop, kyphos bent, stooping, humpbacked. Related to Incumbent, Covey.
An ancient unit of length based on the length of the forearm.
Measure of length (length of forearm), equivalent of 18 in. (about 0.45 m.).
Earliest known unit of length, which originated between 2800 and 2300 BC. It is approximately 50.5 cm/20.6 in long, which is about the length of the human forearm measured from the tip of the middle finger to the elbow.
ell / el /
ETYM AS. eln.
1. An extension at the end and at right angles to the main building.
2. The letter L.
3. Any of various devices shaped like the letter L.
Old unit of length equal to 45 inches.