Twain (?), a. & n. [OE. twein, tweien, tweyne, AS. tw&emac;gen, masc. See Two.]
Two;- nearly obsolete in common discourse, but used in poetry and burlesque.
And whosoever shall compel thee to go a mile, go with him twain.
Matt. v. 41.
In twain, in halves; into two parts; asunder.
When old winder split the rocks in twain.
-- Twain cloud. Meteor. Same as Cumulo-stratus.
© Webster 1913.