noun · 1 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/ˌvɪ.tɛˈlɛə.ɹi.əm/
Received-Pronunciation:/ˌvaɪ-/
Received-Pronunciation:/-tə-/
General-American:/ˌvɪ.tɛˈlɛ.ɹi.əm/
General-American:/ˌvaɪ-/
General-American:/-tə-/
rhymes with -ɛəɹiəm
1
noun
Meaning 1
A type of gland, in flatworms and similar organisms, that secretes yolk.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Derived from New Latin, from vitellus (“yolk”) + -ārium (prefix: place associated with). By surface analysis, vitell- + -arium. See also English vitellus.