tubercle

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

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

Derived from Latin tūberculum. Compare tuber.

Two dorsal tubercles on the abdomen. — Our Common Insects: A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses, A. S. (Alpheus Spring) Packard
They belonged to the tubercle kind which are peculiar to the Indian seas. — Twenty Thousand Leagues under the Sea, Jules Verne
Some wrinkled tubercles were ere long discovered, which we could easily crush between our fingers. — Adventures of a Young Naturalist, Lucien Biart

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