Tū'ber-ōus, a.

adjective

a. [Lat. tuberosus, It. tuberoso, Fr. tubéreux. See TUBER.]

Sense 1. Covered with knobby or wart-like prominences; knobbed.

Sense 2. (Bot.) Consisting of, or containing, tubers; resembling a tuber.

A botanical illustration showing a plant with tuberous roots.
Tuberous.