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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/ˈsæk.əs/
rhymes with -ækəs
1
noun
Meaning 1
A bladder or winglike structure found on the pollen grains of many species of conifer. The shape or number of the sacci on a pollen grain can help identify the species it came from.
Definition source: English Wiktionary via Wiktextract
Topics: biology, botany, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Alternative form of sac.
Definition source: English Wiktionary via Wiktextract
Usage: alt-of, alternative
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Unadapted borrowing from Latin saccus (“a sack, bag”), from Ancient Greek σᾰ́κκος (sắkkos, “coarse cloth of hair; sack, bag”), from Semitic. Doublet of sac, sack, saco, and sakkos.
Across languages
Translations
2 source translations are retained for this English entry.
Catalan:
vesícula aerífera
— structure found on conifer pollen
Chinese Mandarin:
氣囊 /气囊
(qìnáng)
— structure found on conifer pollen