CRANE n.
pterous insect with long legs, of the genus Tipula. -- Derrick crane. See Derrick. -- Gigantic crane. (Zoöl.) See Adjutant, n., 3. -- Traveling crane, Traveler crane, Traversing crane (Mach.), a crane mounted on wheels; esp., an overhead crane consisting of a crab or other hoisting apparatus traveling on rails or be…
CROSSCUT n.
A level driven across the course of a vein, or across the main workings, as from one gangway to another. Crosscut saw. (a) A saw, the teeth of which are so set as to adapt it for sawing wood crosswise of the grain rather than lengthwise. (b) A saw managed by two men, one at each end, for cutting large logs crosswise.…
CROTONIC a.
ant of the genus Croton, or from croton oil. Crotonic acid (Chem.), a white crystalline organic acid, C3H5.CO2H, of the ethylene, or acrylic acid series. It was so named because formerly supposed to exist in croton oil. Also, any acid metameric with crotonic acid proper.