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Definition of Saccus
1. n. A sac.
Definition of Saccus
1. Noun. (botany) A bladder or wing-like 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. ¹
¹ Source: wiktionary.com
Medical Definition of Saccus
1.