4. (Zoöl.)
Defn: A large West Indian cockroach (Blatta gigantea) which drums on woodwork, as a sexual call.
DRUMMING
Drum"ming, n.
Defn: The act of beating upon, or as if upon, a drum; also, the noise which the male of the ruffed grouse makes in spring, by beating his wings upon his sides.
DRUMMOND LIGHT Drum"mond light`. Etym: [From Thomas Drummond, a British naval officer.]
Defn: A very intense light, produced by turning two streams of gas, one oxygen and the other hydrogen, or coal gas, in a state of ignition, upon a ball of lime; or a stream of oxygen gas through a flame of alcohol upon a ball or disk of lime; — called also oxycalcium light, or lime light.
Note: The name is also applied sometimes to a heliostat, invented by Drummond, for rendering visible a distant point, as in geodetic surveying, by reflecting upon it a beam of light from the sun.
DRUMSTICK
Drum"stick`, n.
1. A stick with which a drum is beaten.
2. Anything resembling a drumstick in form, as the tibiotarsus, or second joint, of the leg of a fowl.