• synonyms

pollen sac

noun Botany.
  1. one of the cavities in an anther in which pollen is produced.
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Origin of pollen sac

First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pollen sac

Historical Examples

  • Germination of the microspore begins before it leaves the pollen-sac.

    Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1


pollen sac in Science

pollen sac

  1. The microsporangium of a seed plant in which pollen is produced. The pollen sacs of angiosperms are located in the anthers, while those of conifers are located in the male cones.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.