Search the Dictionary

mass or stratum of fragments or rock lying under the alluvium, and derived from the neighboring rock. Lyell.

ilar carrying a leading block or pulley for various purposes. Brande & C. (b) In deepwell boring, the post which supports the walking beam of the apparatus.

wood yielded by Cæsalpinia Sappan, a thorny leguminous tree of Southern Asia and the neighboring islands. It is the original Brazil wood. [Written also sappan wood.]

ne bivalve shells of the genus Saxicava. Some of the species are noted for their power of boring holes in limestone and similar rocks.

Boring, or hollowing out, rocks; -- said of certain mollusks which live in holes which they burrow in rocks. See Illust. of Lithodomus.

Any one of numerous species of small bark-boring beetles of the genus Scolytus and allied genera. Also used adjectively.

a circuit or coil in which a current is produced by the induction of a current in a neighboring circuit or coil called the primary circuit or coil. -- Secondary color, a color formed by mixing any two primary colors in equal proportions. -- Secondary coverts (Zoöl.), the longer coverts which overlie the basal part o…

order to convey messages. -- Shell bit, a tool shaped like a gouge, used with a brace in boring wood. See Bit, n., 3. -- Shell button. (a) A button made of shell. (b) A hollow button made of two pieces, as of metal, one for the front and the other for the back, -- often covered with cloth, silk, etc. -- Shell cameo,…

a conductor traversed by an oscillatory current of high frequency (as lightning) and neighboring masses of metal, or between different parts of the same conductor.

ot, dry, suffocating, dust-laden wind, that blows occasionally in Arabia, Syria, and neighboring countries, generated by the extreme heat of the parched deserts or sandy plains.

In knitting machines, a bar to which one set of the sinkers is attached. (b) In deep well boring, a heavy bar forming a connection between the lifting rope and the boring tools, above the jars.

il, Edible snail, Pond snail, etc. See under Ear, Edible, etc. -- Snail borer (Zoöl.), a boring univalve mollusk; a drill. -- Snail clover (Bot.), a cloverlike plant (Medicago scuttellata, also, M. Helix); -- so named from its pods, which resemble the shells of snails; -- called also snail trefoil, snail medic, and b…

plate shaped like the bowl of a spoon with a fishhook attached. -- Spoon bit, a bit for boring, hollowed or furrowed along one side. -- Spoon net, a net for landing fish. -- Spoon oar. see under Oar.

The handle or contrivance by which bits are held in boring; a bitstock; a brace.

, to strike off what is superfluous or corrupt. -- To strike oil, to find petroleum when boring for it; figuratively, to make a lucky hit financially. [Slang, U.S.] -- To strike one luck, to shake hands with one and wish good luck. [Obs.] Beau. & Fl. -- To strike out. (a) To produce by collision; to force out, as, to…

very day that coaches stuck fast, until a team of cattle could be procured from some neighboring farm to tug them out of the slough. Macaulay.

tance, employed in the process formerly used to clarify sugar. Temper screw, in deep well boring, an adjusting screw connecting the working beam with the rope carrying the tools, for lowering the tools as the drilling progresses.

The boring ovipositor of a hymenopterous insect.

Boring, or adapted for boring; -- said of certain Hymenoptera, as the sawflies.

Boring; perforating; -- applied to molluskas which form holes in rocks, wood, etc.