GEAR n.
the cut-off. See under Expansion. -- Feed gear. See Feed motion, under Feed, n. -- Gear cutter, a machine or tool for forming the teeth of gear wheels by cutting. -- Gear wheel, any cogwheel. -- Running gear. See under Running. -- To throw in, or out of, gear (Mach.), to connect or disconnect (wheelwork or couplin…
LEAF n.
tree, and forms its nest by crumpling and fastening leaves together in clusters. -- Leaf cutter (Zoöl.) , any one of various species of wild bees of the genus Megachile, which cut rounded pieces from the edges of leaves, or the petals of flowers, to be used in the construction of their nests, which are made in holes a…
MILLING n.
nted edge upon coin, etc.; the process of dressing surfaces of various shapes with rotary cutters. See Mill. High milling, milling in which grain is reduced to flour by a succession of crackings, or of slight and partial crushings, alternately with sifting and sorting the product. -- Low milling, milling in which the…
PLANT n.
jure the foliage of plants, as Lygus lineolaris, which damages wheat and trees. -- Plant cutter (Zoöl.), a South American passerine bird of the genus Phytotoma, family Phytotomidæ. It has a serrated bill with which it cuts off the young shoots and buds of plants, often doing much injury. -- Plant louse (Zoöl.), any s…
PLANTAIN n.
is a staple article of food in most tropical countries, especially when cooked. Plantain cutter, or Plantain eater (Zoöl.), any one of several large African birds of the genus Musophaga, or family Musophagidæ, especially Musophaga violacea. See Turaco. They are allied to the cuckoos. -- Plantain squirrel (Zoöl.), a J…