Tu"ber (?), n.[L., a hump. knob; probably akin to tumere to swell. Cf. Tumid.]

1. Bot. (a)

A fleshy, rounded stem or root, usually containing starchy matter, as the potato or arrowroot; a thickened root-stock. See Illust. of Tuberous.

(b)

A genus of fungi. See Truffle.

2. Anat.

A tuberosity; a tubercle.

 

© Webster 1913.

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