from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Anatomy A small bodily cavity or sac.
  • n. Anatomy A crypt or minute cul-de-sac or lacuna, such as the depression in the skin from which the hair emerges.
  • n. Anatomy An ovarian follicle.
  • n. Anatomy A spherical mass of cells usually containing a cavity.
  • n. Botany A dry, single-chambered fruit that splits along only one seam to release its seeds, as in larkspur and milkweed.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A small cavity or sac, such as a hair follicle.
  • n. A type of primitive dry fruit produced by certain flowering plants.

from the GNU version of the Collaborative International Dictionary of English

  • n. A simple podlike pericarp which contains several seeds and opens along the inner or ventral suture, as in the peony, larkspur and milkweed.
  • n.
  • n. A small cavity, tubular depression, or sac.
  • n. A simple gland or glandular cavity; a crypt.
  • n. A small mass of adenoid tissue.

from The Century Dictionary and Cyclopedia

  • n. In botany: A dry one-celled seed-vessel consisting of a single carpel, and dehiscent only by the ventral suture, as in the milkweed and larkspur.
  • n. Any bladder-shaped appendage; a utricle.
  • n. In anatomy and zoology, a minute secretory or excretory cavity, sac, or tube; one of the ultimate blind ramifications of a secretory surface; a glandular cul-de-sac; a mucous crypt or lacuna; a minute nodule of lymphoid tissue.
  • n. In entomology, a cocoon; the covering made by a larva for its protection during the pupa state.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. any small spherical group of cells containing a cavity


Latin folliculus, little bag, diminutive of follis, bellows; see bhel-2 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin folliculus. (Wiktionary)



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