TENUIS n.
One of the three surd mutes k, p, t; -- so called in relation to their respective middle letters, or medials, g, b, d, and their aspirates, x, f, th. The term is also applied to the corresponding letters and articulate elements in other languages.
THORN n.
The name of the Anglo-Saxon letter th, as in thin, then. So called because it was the initial letter of thorn, a spine. Thorn apple (Bot.), Jamestown weed. -- Thorn broom (Bot.), a shrub that produces thorns. -- Thorn hedge, a hedge of thorn-bearing trees or bushes. -- Thorn devil. (Zoöl.) See Moloch, 2. -- Thorn h…
THREATENING n.
a. & n. from Threaten, v. -- Threat"en*ing*ly, adv. Threatening letters (Law), letters containing threats, especially those designed to extort money, or to obtain other property, by menaces; blackmailing letters.
TRANSMISSION n.
The act of transmitting, or the state of being transmitted; as, the transmission of letters, writings, papers, news, and the like, from one country to another; the transmission of rights, titles, or privileges, from father to son, or from one generation to another.