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ss kind found on rocks, as Arabis petræa, A. lyrata, etc. -- Rock crystal (Min.), limpid quartz. See Quartz, and under Crystal. -- Rock dove (Zoöl.), the rock pigeon; -- called also rock doo. -- Rock drill, an implement for drilling holes in rock; esp., a machine impelled by steam or compressed air, for drilling hol…

A cabin or apartament on the after part of the quarter-deck, having the poop for its roof; -- sometimes called the coach.

-- Rudder chain (Naut.), one of the loose chains or ropes which fasten the rudder to the quarters to prevent its loss in case it gets unshipped, and for operating it in case the tiller or the wheel is broken. -- Rudder coat (Naut.), a covering of tarred canvas used to prevent water from entering the rudderhole. -- R…

The aftermost part of a vessel's hull where it narrows toward the stern, under the quarter

Acicular rutile occurring in reticulated forms imbedded in quartz.

Resembling sagenite; -- applied to quartz when containing acicular crystals of other minerals, most commonly rutile, also tourmaline, actinolite, and the like.

d to be paid, to a person at regular intervals for services; fixed wages, as by the year, quarter, or month; stipend; hire. This is hire and salary, not revenge. Shak.

ter works, to afford free egress for troops in a sortie. (b) (Naval) A large port on each quarter of a fireship, for the escape of the men into boats when the train is fired; a large port in an old-fashioned three-decker or a large modern ironclad.

made of sand more or less firmly united. Common or siliceous sandstone consists mainly of quartz sand.

visions or water; a scant pattern of cloth for a garment. His sermon was scant, in all, a quarter of an hour. Ridley.

r slates. The common kinds are mica schist, and hornblendic schist, consisting chiefly of quartz with mica or hornblende and often feldspar.

ion of the movements and condition of an enemy. Scouts each coast light-armèd scour, Each quarter, to descry the distant foe. Milton.

A rough, haphazard struggle, or trial of strength; a disorderly wrestling at close quarters.

ates are divided; one thirty-sixth part of a township. These sections are subdivided into quarter sections for sale under the homestead and preëmption laws.

nearly that shape, as the apse of a church, a niche, or the like. It is approximately the quarter of a hollow sphere.

An ornamental foliation having seven lobes. Cf. Cinquefoil, Quarterfoil, and Trefoil.

ns of thought. De Quincey. Every shade of religious and political opinion has its own headquarters. Macaulay. The Shades, the Nether World; the supposed abode of souls after leaving the body.

Sheet; 106 Cutwater; 107 Starboard Bow; 108 Starboard Beam; 109 Water Line; 110 Starboard Quarter; 111 Rudder.

An indigo-blue variety of quartz.

r as a dark crystalline substance with a meetallic luster. Its oxide is silica, or common quartz, and in this form, or as silicates, it is, next to oxygen, the most abundant element of the earth's crust. Silicon is characteristically the element of the mineral kingdom, as carbon is of the organic world. Symbol Si. Atom…