. 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. [ 1913 Webster ]

{ . See Thatch, Thatcher. [ Obs. or Prov. Eng. & Scot. ] [ 1913 Webster ]

n. The language of Thailand (Siam); it is a member of the Tai group of languages. [ PJC ]

a. Of or pertaining to the Thai language, a member of the Tai group of languages. [ PJC ]

2. Of or pertaining to Thailand or its people. [ PJC ]

v. t. To thwack. [ Obs. ] Chaucer. [ 1913 Webster ]

‖n. [ NL. See Thalamus, and Encephalon. ] (Anat.) The segment of the brain next in front of the midbrain, including the thalami, pineal gland, and pituitary body; the diencephalon; the interbrain. [ 1913 Webster ]

a. (Anat.) Of or pertaining to a thalamus or to thalami. [ 1913 Webster ]

{ } a. [ See Thalamus, and Floral. ] (Bot.) Bearing the stamens directly on the receptacle; -- said of a subclass of polypetalous dicotyledonous plants in the system of De Candolle. [ 1913 Webster ]

n. [ Thalamic + Gr. koi^los hollow. ] (Anat.) The cavity or ventricle of the thalamencephalon; the third ventricle. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. qa`lamos chamber + fe`rein to bear. ] (Zool.) Same as Foraminifera. [ 1913 Webster ]