Webster’s Revised Unabridged Dictionary · 1913 Tuberous Tu′ber·ous, a. [L. tuberosus: cf. F. tubéreux. See Tuber, and cf. also Tuberose.] 1. Covered with knobby or wartlike prominences; knobbed. 2. (Bot.) Consisting of, or bearing, tubers; resembling a tuber. — Tu′ber·ous·ness, n. ‹ Tuberosity Tubeworm ›