from
The Collaborative International Dictionary of English v.0.48
Toga \To"ga\, n.; pl. E. {Togas}, L. {Togae}. [L., akin to
tegere to cover. See {Thatch}.] (Rom. Antiq.)
The loose outer garment worn by the ancient Romans,
consisting of a single broad piece of woolen cloth of a shape
approaching a semicircle. It was of undyed wool, except the
border of the toga praetexta.
[1913 Webster]
{Toga praetexta}. [L.], a toga with a broad purple border,
worn by children of both sexes, by magistrates, and by
persons engaged in sacred rites.
{Toga virilis} [L.], the manly gown; the common toga. This
was assumed by Roman boys about the time of completing
their fourteenth year.
[1913 Webster]