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That which is introduced or inserted, especially something foreign or spurious. Bentley wrote a letter . . . . upon the scriptural glosses in our present copies of Hesychius, which he considered interpolations from a later hand. De Quincey.

A bent piece of iron inserted to strengthen the joints of a wall.

A kind of cage inserted in a stuffing box and surrounding a piston rod, to separate the packing into two parts and form a chamber between for the reception of steam, etc. ; -- called also lantern brass.

endon. At length. (a) At or in the full extent; without abbreviation; as, let the name be inserted at length. (b) At the end or conclusion; after a long period. See Syn. of At last, under Last. -- At arm's length. See under Arm.

e lock. Lock rand (Masonry), a range of bond stone. Knight. -- Mortise lock, a door lock inserted in a mortise. -- Rim lock, a lock fastened to the face of a door, thus differing from a mortise lock.

ine or ten frets or divisions, and the head, or cross, in which the screws for tuning are inserted. The strings are struck with the right hand, and with the left the stops are pressed.

A bar of metal inserted in the work to shape it, or to hold it, as in a lathe, during the process of manufacture; an arbor.

-- Mortise lock. See under Lock. -- Mortise wheel, a cast-iron wheel, with wooden clogs inserted in mortises on its face or edge; -- also called mortise gear, and core gear.

A thin layer, or sheet, of yielding or elastic material inserted between the surfaces of a flange joint.

A board having its edges inserted in the groove of a surrounding frame; as, the panel of a door.

A word, phrase, or sentence, by way of comment or explanation, inserted in, or attached to, a sentence which would be grammatically complete without it. It is usually inclosed within curved lines (see def. 2 below), or dashes. "Seldom mentioned without a derogatory parenthesis." Sir T. Browne. Don't suffer every occasi…

n strips of wood let into the pulley stile to keep the sashes apart; also, the thin piece inserted in the window box to separate the weights. -- Parting tool (Mach.), a thin tool, used in turning or planing, for cutting a piece in two.

A clause sometimes inserted in contracts or specifications, requiring that a material of construction, as cement, must be of a brand that has stood the test of a specified number of years' use in an important public work. [Cant, U. S.]

a peg. Hudibras. Peg ladder, a ladder with but one standard, into which cross pieces are inserted. -- Peg tankard, an ancient tankard marked with pegs, so as divide the liquor into equal portions. "Drink down to your peg." Longfellow. -- Peg tooth. See Fleam tooth under Fleam. -- Peg top, a boy's top which is spun…

r cylinder or strip of black lead, colored chalk, slate etc., or such a cylinder or strip inserted in a small wooden rod intended to be pointed, or in a case, which forms a handle, -- used for drawing or writing. See Graphite.

iron tool, curved and sometimes pointed at both ends, wielded by means of a wooden handle inserted in the middle, -- used by quarrymen, roadmakers, etc.; also, a pointed hammer used for dressing millstones.

A pick with a point at one end, a transverse edge or blade at the other, and a handle inserted at the middle; a hammer with a flattened end for driving wedges and a pointed end for piercing as it strikes. Shak.

A bag or pouch; especially; a small bag inserted in a garment for carrying small articles, particularly money; hence, figuratively, money; wealth.

vent an animal from leaping or breaking through fences. It consists of a yoke with a pole inserted, pointed forward. [U.S.] Poke bonnet, a bonnet with a straight, projecting front.

of monoclinous or hermaphrodite plants, having many stamens, or any number above twenty, inserted in the receptacle.