n.
Pronunciation: ' tü-b ə r, ' tyü-
Function: noun
Etymology: Latin, swelling, truffle; perhaps akin to Latin tum ē re to swell ― more at THUMB
Date: 1668
1 a : a short fleshy usually underground stem bearing minute scale leaves each of which bears a bud in its axil and is potentially able to produce a new plant ― compare BULB , CORM b : a fleshy root or rhizome resembling a tuber
2 : TUBEROSITY