The peace between the French and us not values The cost that did
conclude it.
Shak.
Syn. — To compute; rate; appraise; esteem; respect; regard; estimate;
prize; appreciate.
Val"ued (?), a. Highly regarded; esteemed; prized; as, a valued
contributor; a valued friend.
Valued policy. See under Policy.
Val"ue*less, a. Being of no value; having no worth.
Val"u*er (?), n. One who values; an appraiser.
Val"ure (?), n. Value. [Obs.] Ld. Berners.
Val"va*sor (?), n. (Feud. Law) See Vavasor.
||Val*va"ta (?), n. [NL.; cf. L. valvatus having folding doors. See
||Valve.] (Zoöl.) A genus of small spiral fresh-water gastropods having
||an operculum.
||
Valv"ate (?), a. [L. valvatus having folding doors.]
1. Resembling, or serving as, a valve; consisting of, or opening by, a
valve or valves; valvular.
2. (Bot.) (a) Meeting at the edges without overlapping; — said of the
sepals or the petals of flowers in æstivation, and of leaves in
vernation. (b) Opening as if by doors or valves, as most kinds of
capsules and some anthers.
Valve (?), n. [L. valva the leaf, fold, or valve of a door: cf. F.
valve.]
1. A door; especially, one of a pair of folding doors, or one of the
leaves of such a door.
Swift through the valves the visionary fair Repassed.
Pope.
Heavily closed, . . . the valves of the barn doors.
Longfellow.
2. A lid, plug, or cover, applied to an aperture so that by its
movement, as by swinging, lifting and falling, sliding, turning, or the
like, it will open or close the aperture to permit or prevent passage,
as of a fluid.
A valve may act automatically so as to be opened by the effort of a
fluid to pass in one direction, and closed by the effort to pass in the
other direction, as a clack valve; or it may be opened or closed by
hand or by mechanism, as a screw valve, or a slide valve.
3. (Anat.) One or more membranous partitions, flaps, or folds, which
permit the passage of the contents of a vessel or cavity in one
direction, but stop or retard the flow in the opposite direction; as,
the ileocolic, mitral, and semilunar valves.
4. (Bot.) (a) One of the pieces into which a capsule naturally
separates when it bursts. (b) One of the two similar portions of the
shell of a diatom. (c) A small portion of certain anthers, which opens
like a trapdoor to allow the pollen to escape, as in the barberry.
5. (Zoöl.) One of the pieces or divisions of bivalve or multivalve
shells.
Air valve, Ball valve, Check valve, etc. See under Air. Ball, Check,
etc. — Double-beat valve, a kind of balance valve usually consisting of
a movable, open-ended, turban-shaped shell provided with two faces of
nearly equal diameters, one above another, which rest upon two
corresponding seats when the valve is closed. — Equilibrium valve. (a)
A balance valve. See under Balance. (b) A valve for permitting air,
steam, water, etc., to pass into or out of a chamber so as to establish
or maintain equal pressure within and without. — Valve chest (Mach.), a
chamber in which a valve works; especially (Steam Engine), the steam
chest; — called in England valve box, and valve casing. See Steam
chest, under Steam. — Valve face (Mach.), that part of the surface of a
valve which comes in contact with the valve seat. — Valve gear, or
Valve motion (Steam Engine), the system of parts by which motion is
given to the valve or valves for the distribution of steam in the
cylinder. For an illustration of one form of valve gear, see Link
motion. — Valve seat. (Mach.) (a) The fixed surface on which a valve
rests or against which it presses. (b) A part or piece on which such a
surface is formed. — Valve stem (Mach.), a rod attached to a valve, for
moving it. — Valve yoke (Mach.), a strap embracing a slide valve and
connecting it to the valve stem.
Valved (?), a. Having a valve or valve; valvate.
Valve"let (?), n. A little valve; a valvule; especially, one of the
pieces which compose the outer covering of a pericarp.
Valve"-shell` (?), n. (Zoöl.) Any fresh-water gastropod of the genus
Valvata.
||Val"vu*la (?), n.; pl. Valvulæ (#). [NL., dim. fr. L. valva fold,
||valve of a door.] (Anat.) A little valve or fold; a valvelet; a
||valvule.
||
Valv"u*lar (?), a. [Cf. F. valvulaire.]
1. Of or pertaining to a valve or valves; specifically (Med.), of or
pertaining to the valves of the heart; as, valvular disease.
2. Containing valves; serving as a valve; opening by valves; valvate;
as, a valvular capsule.