Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A small rounded projecting part or outgrowth, such as a wartlike excrescence on the roots of some leguminous plants or a knoblike process in the skin or on a bone.
  • noun Medicine A nodule or swelling, especially a mass of lymphocytes and epithelioid cells forming the characteristic lesion of tuberculosis.

from The Century Dictionary.

  • noun A little tuber, or tubercule; a small tuberosity; especially, a small projection of a bone, for the attachment of a ligament or tendon, as of the femur, hyoid, scaphoid, ulna, tibia, zygoma, etc. See tuberculum and tuberosity.
  • noun A roughness on the humerus for the insertion of the deltoid muscle: usually called deltoid ridge.

from the GNU version of the Collaborative International Dictionary of English.

  • noun A small knoblike prominence or excrescence, whether natural or morbid
  • noun (Med.) A small mass or aggregation of morbid matter; especially, the deposit which accompanies scrofula or phthisis. This is composed of a hard, grayish, or yellowish, translucent or opaque matter, which gradually softens, and excites suppuration in its vicinity. It is most frequently found in the lungs, causing consumption.
  • noun (Med.) a minute vegetable organism (Mycobacterium tuberculosis, formerly Bacillus tuberculosis, and also called Koch's bacillus) discovered by Koch, a German physician, in the sputum of consumptive patients and in tuberculous tissue. It is the causative agent of tuberculosis.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy A round nodule, small eminence, or warty outgrowth, especially those found on bones for the attachment of a muscle or ligament or small elevations on the surface of a tooth.
  • noun botany A small rounded wartlike protuberance of the roots of some leguminous plants; the lip of certain orchids, cacti.
  • noun pathology A small rounded nodule forming the characteristic lesion of tuberculosis.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a protuberance on a bone especially for attachment of a muscle or ligament
  • noun a swelling that is the characteristic lesion of tuberculosis
  • noun small rounded wartlike protuberance on a plant

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin tūberculum, diminutive of tūber, lump; see tuber.]

Examples

Comments

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  • "For his nutriment he shewed how he would feed himself exclusively upon a diet of savoury tubercles and fish and coneys there ..."

    Joyce, Ulysses, 14

    January 20, 2007