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The chitinous fiber forming the spiral thread of the tracheæ of insects. See Illust. of Trachea.

.), halyards that raise the throat of the gaff. -- Throat pipe (Anat.), the windpipe, or trachea. -- To give one the lie in his throat, to accuse one pointedly of lying abominably. -- To lie in one's throat, to lie flatly or abominably.

The windpipe, or trachea; the weasand. Sir W. Scott.

ighly vascular organ, partly surrounding the base of the larynx and the upper part of the trachea. -- Thyroid dislocation (Surg.), dislocation of the thigh bone into the thyroid foramen. -- Thyroid foramen, the obturator foramen.

Inflammation of the trachea, or windpipe.

One of the gill-like breathing organs of certain aquatic insect larvæ. They contain tracheal tubes somewhat similar to those of other insects.

Pertaining both to the tracheal and bronchial tubes, or to their junction; -- said of the syrinx of certain birds.

A tumor containing air and communicating with the trachea. Morell Mackenzie.

A group of passerine birds having the syrinx at the lower end of the trachea.

Examination of the interior of the trachea by means of a mirror.

ungs in certain cases of disease, resembling that produced by the air passing through the trachea. -- Tubular bridge, a bridge in the form of a hollow trunk or tube, made of iron plates riveted together, as the Victoria bridge over the St. Lawrence, at Montreal, Canada, and the Britannia bridge over the Menai Straits.…

The passage for the breath from the larynx to the lungs; the trachea; the weasand. See Illust. under Lung.