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A disease in hawks, characterized by the presence of small threadlike worms, also of filaments of coagulated blood, from the rupture of a vein; -- called also backworm. Sir T. Browne.

A genus of slender, nematode worms of many species, parasitic in various animals. See Guinea worm.

Of, pertaining to, or caused by, filariæ and allied parasitic worms.

A bacterial disease of silkworms, supposed to be due to eating contaminated mulberry leaves.

flake or chip of hard stone. Tylor. -- Flake stand, the cooling tub or vessel of a still worm. Knight. -- Flake white. (Paint.) (a) The purest white lead, in the form of flakes or scales. (b) The trisnitrate of bismuth. Ure.

hence, to eat away; to gnaw; as, to fret cloth; to fret a piece of gold or other metal; a worm frets the plants of a ship. With many a curve my banks I fret. Tennyson.

r. Froth insect (Zoöl.), the cuckoo spit or frog hopper; -- called also froth spit, froth worm, and froth fly. -- Froth spit. See Cuckoo spit, under Cuckoo.

poultry and other birds, attended with much gaping. It is caused by a parasitic nematode worm (Syngamus trachealis), in the windpipe, which obstructs the breathing. See Gapeworm.

A group of small wormlike animals, having cilia on the ventral side. The group is regarded as an ancestral or synthetic one, related to rotifers and annelids.

ne dimensions, distance, or capacity; a standard. This plate must be a gauge to file your worm and groove to equal breadth by. Moxon. There is not in our hands any fixed gauge of minds. I. Taylor.

hs, of the family Geometridæ; -- so called because their larvæ (called loopers, measuring worms, spanworms, and inchworms) creep in a looping manner, as if measuring. Many of the species are injurious to agriculture, as the cankerworms.

A yellow-tailed worm or larva.

The clitellus of an earthworm. Girdle bone (Anat.), the sphenethmoid. See under Sphenethmoid. -- Girdle wheel, a spinning wheel. -- Sea girdle (Zoöl.), a ctenophore. See Venus's girdle, under Venus. -- Shoulder, Pectoral, and Pelvic, girdle. (Anat.) See under Pectoral, and Pelvic. -- To have under the girdle, to ha…

A glowworm. {Obs.] Holland.

The glowworm. [Obs.]

places where gold found in gravel is separated from lighter material by washing. -- Gold worm, a glowworm. [Obs.] -- Jeweler's gold, an alloy containing three parts of gold to one of copper. -- Mosaic gold. See under Mosaic.

- Coromandel gooseberry. See Carambola. -- Gooseberry fool. See lst Fool. -- Gooseberry worm (Zoöl.), the larva of a small moth (Dakruma convolutella). It destroys the gooseberry by eating the interior.

A division of nematoid worms, including the hairworms or hair eels (Gordius and Mermis). See Gordius, and Illustration in Appendix.

A genus of long, slender, nematoid worms, parasitic in insects until near maturity, when they leave the insect, and live in water, in which they deposit their eggs; -- called also hair eel, hairworm, and hair snake, from the absurd, but common and widely diffused, notion that they are metamorphosed horsehairs.…

rius), which destroys stored wheat and othar grain, by eating out the interior. -- Grain worm (Zoöl.), the larva of the grain moth. See grain moth, above. -- In grain, of a fast color; deeply seated; fixed; innate; genuine. "Anguish in grain." Herbert.-- To dye in grain, to dye of a fast color by means of the coccus…