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es of annelids of the genus Sabellaria. They construct firm tubes of agglutinated sand on rocks and shells, and are sometimes destructive to oysters.

A variety of orthoclase feldspar common in certain eruptive rocks, as trachyte; -- called also glassy feldspar.

occurs in soft, soapy, amorphous masses, filling veins in serpentine and cavities in trap rock.

The rock pigeon. See under Pigeon.

n into a stream so that its branches project above the surface, rising and falling with a rocking or swaying motion in the current. [U.S.]

Of or pertaining to rocks; living among rocks; as, a saxatile plant.

a. 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.

Growing on rocks.

Any plant of the genus Saxifraga, mostly perennial herbs growing in crevices of rocks in mountainous regions. Burnet saxifrage, a European umbelliferous plant (Pimpinella Saxifraga). -- Golden saxifrage, a low half-sacculent herb (Chrysosplenium oppositifolium) growing in rivulets in Europe; also, C. Americanum, commo…

An isolated or protruding rock; a steep, rocky eminence; a bare place on the side of a mountain or steep bank of earth. [Written also scaur.] O sweet and far, from cliff and scar, The horns of Elfland faintly blowing. Tennyson.

To cut down perpendicularly, or nearly so; as, to scarp the face of a ditch or a rock. From scarped cliff and quarried stone. Tennyson. Sweep ruins from the scarped mountain. Emerson.

A scar; a mark. We find upon the limestone rocks the scarrings of the ancient glacier which brought the bowlder here. Tyndall.

Like a scar, or rocky eminence; containing scars. Holinshed.

A precipitous bank or rock; a scar.

ed dramatic recitative, interspersed with passages of melody, or followed by a full aria. Rockstro.

Of quick or keen smell. The scentful osprey by the rock had fished. W. Browne.

Any crystalline rock having a foliated structure (see Foliation) and hence admitting of ready division into slabs or slates. The common kinds are mica schist, and hornblendic schist, consisting chiefly of quartz with mica or hornblende and often feldspar.

A place hollowed out; a basinlike cavity; a hollow. Some had lain in the scoop of the rock. J. R. Drake.

Full of rocks; rocky. [Obs.]