a. rare. [f. L. tergemin-us (poet. for trigeminus, f. tri- three + geminus born together) triple: see -OUS.] (See quot. 1656.)
1656. Blount, Glossogr., Tergeminous … Threefold, triple; one of, or the three borne at, the same time.
1851. Poems on Hawick Auld Brig, 4. The arch tergeminous which spanned the stream.
