A disease of young 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.
In Old English, the article the, when the following word began with a vowel, was often written with elision as if a part of the word. Thus in Chaucer, the forms thabsence, tharray, thegle, thend, thingot, etc., are found for the absence, the array, the eagle, the end, etc.
n.
The segment of the brain next in front of the midbrain, including the thalami, pineal gland, and pituitary body; the diencephalon; the interbrain.
a.
Of or pertaining to a thalamus or to thalami.
a.
Alt. of Thalamiflorous
a.
Bearing the stamens directly on the receptacle; -- said of a subclass of polypetalous dicotyledonous plants in the system of De Candolle.
n.
The cavity or ventricle of the thalamencephalon; the third ventricle.
n. pl.
Same as Foraminifera.
n.
A mass of nervous matter on either side of the third ventricle of the brain; -- called also optic thalamus.
n.
The receptacle of a flower; a torus.
a.
Of or pertaining to the sea; -- sometimes applied to rocks formed from sediments deposited upon the sea bottom.
n.
Any species of Thalaassinidae, a family of burrowing macrurous Crustacea, having a long and soft abdomen.
n.
The study or science of the life of marine organisms.