Phrase guide

thymus gland

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A ductless gland, consisting mainly of lymphatic tissue, located behind the top of the breastbone. It is most active during puberty, after which it shrinks in size. It plays an important role in the development of the immune system and produces lymphocytes.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, immunology, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a ductless glandular organ at the base of the neck that produces lymphocytes and aids in producing immunity; atrophies with age

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: thymus

Antonyms: none provided

Broader terms: endocrine gland, endocrine, ductless gland

History

Etymology

No etymology was provided for this word.