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The slip or sheath of a sword, and the like. [R.]

Having a spathe or calyx like a sheath.

cord which suspends the testicle within the scrotum. It is made up of a connective tissue sheath inclosing the spermatic duct and accompanying vessels and nerves.

zol, used, in solution with strychnine, as a local anæsthetic, esp. by injection into the sheath of the spinal cord, producing anæsthesia below the point of introduction.

The leaf, exclusive of its sheath, in some grasses.

Situated under or inside a sheath or vaginal membrane; as, the subvaginal, or subdural, spaces about the optic nerve.

Situated above or outside a sheath or vaginal membrane.

of a sword. -- Sword cane, a cane which conceals the blade of a sword or dagger, as in a sheath. -- Sword dance. (a) A dance in which swords are brandished and clashed together by the male dancers. Sir W. Scott. (b) A dance performed over swords laid on the ground, but without touching them. -- Sword fight, fencing;…

of its intended effect. [Obs.] This taint he followed with his sword drawn from a silver sheath. Chapman.

Inflammation of the synovial sheath enveloping a tendon.

of invertebrate animals, being either an organ of sense, prehension, or motion. Tentacle sheath (Zoöl.), a sheathlike structure around the base of the tentacles of many mollusks.

A sheath; a case; as, the theca, or cell, of an anther; the theca, or spore case, of a fungus; the theca of the spinal cord.

Any ruminant having horns composed of a bony axis covered with a horny sheath; a hollow-horned ruminant.

To loose from curls, or ringlets; to straighten out, as anything curled or curly. He sheaths his paw, uncurls his angry mane. Dryden.

A sheath; a theca; as, the vagina of the portal vein.

Of or pertaining to a vagina; resembling a vagina, or sheath; thecal; as, a vaginal synovial membrane; the vaginal process of the temporal bone.

Serving to in invest, or sheathe; sheathing. Vaginant leaf (Bot.), a leaf investing the stem or branch by its base, which has the form of a tube.

Invested with, or as if with, a sheath; as, a vaginate stem, or one invested by the tubular base of a leaf.

A tribe of birds comprising the sheathbills.

Having elytra; sheath-winged. [R.]