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sion in a roadbed, the space between exterior and interior walls of masonry, the pores of open-grained wood, the space between the outer and inner planks of a vessel, etc.

See Philopena.

The part a chimney appropriated to the fire; a hearth; -- usually an open recess in a wall, in which a fire may be built.

The act of dividing or opening; the state of being fissured.

A narrow opening, made by the parting of any substance; a cleft; as, the fissure of a rock. Cerebral fissures (Anat.), the furrows or clefts by which the surface of the cerebrum is divided; esp., the furrows first formed by the infolding of the whole wall of the cerebrum. -- Fissure needle (Surg.), a spiral needle for…

A genus of marine gastropod mollusks, having a conical or limpetlike shell, with an opening at the apex; -- called also keyhole limpet.

A permanent abnormal opening into the soft parts with a constant discharge; a deep, narrow, chronic abscess; an abnormal opening between an internal cavity and another cavity or the surface; as, a salivary fistula; an anal fistula; a recto-vaginal fistula. Incomplete fistula (Med.), a fistula open at one end only.…

side or end and is easily moved; as, the flap of a garment. A cartilaginous flap upon the opening of the larynx. Sir T. Browne.

To open or spread outwards; to project beyond the perpendicular; as, the sides of a bowl flare; the bows of a ship flare. To flare up, to become suddenly heated or excited; to burst into a passion. [Colloq.] Thackeray.

Opening or speading outwards.

The process or operation of making flat, as a cylinder of glass by opening it out.

A sharp instrument used for opening veins, lancing gums, etc.; a kind of lancet. Fleam tooth, a tooth of a saw shaped like an isosceles triangle; a peg tooth. Knight.

A simple fieldwork, consisting of two faces forming a salient angle pointing outward and open at the gorge.

ff, to baffle in the chase; to defeat of prey; also, to get rid of. Addison. -- To fling open, to throw open; to open suddenly or with violence; as, to fling open a door. -- To fling out, to utter; to speak in an abrupt or harsh manner; as, to fling out hard words against another. -- To fling up, to relinquish; to a…

owing the thickness of the walls and partitions, arrangement of passages, apartments, and openings at the level of any floor of a house.

Australian bird of the genus Anthornis, allied to the honey eaters. -- Flower bud, an unopened flower. -- Flower clock, an assemblage of flowers which open and close at different hours of the day, thus indicating the time. -- Flower head (Bot.), a compound flower in which all the florets are sessile on their recept…

n in the air within; a mouth pipe; -- distinguished from reed pipe. Flue pipes are either open or closed (stopped at the distant end). The flute and flageolet are open pipes; a bottle acts as a closed pipe when one blows across the neck. The organ has both open and closed flue pipes, those of metal being usually round…

ylinder or pipe, with holes along its length, stopped by the fingers or by keys which are opened by the fingers. The modern flute is closed at the upper end, and blown with the mouth at a lateral hole. The breathing flute's soft notes are heard around. Pope.

ce; to do an act suddenly or swiftly; -- usually with a qualifying word; as, a door flies open; a bomb flies apart. To fly about (Naut.), to change frequently in a short time; -- said of the wind. -- To fly around, to move about in haste. [Colloq.] -- To fly at, to spring toward; to rush on; to attack suddenly. -- To…

Consisting of, or pertaining to, leaves; as, foliar appendages. Foliar gap (Bot.), an opening in the fibrovascular system of a stem at the point of origin of a leaf. -- Foliar trace (Bot.), a particular fibrovascular bundle passing down into the stem from a leaf.