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propagule

[prop-uh-gyool]
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noun
  1. Botany, Mycology. any structure capable of being propagated or acting as an agent of reproduction.
Also pro·pag·u·lum [proh-pag-yuh-luh m] /proʊˈpæg yə ləm/.

Origin of propagule

1855–60; < New Latin propāgulum, derivative of propāgō shoot, runner; see propagate, -ule
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for propagule

propagule

propagulum (prəʊˈpæɡjʊləm)

noun
  1. a plant part, such as a bud, that becomes detached from the rest of the plant and grows into a new plant

Word Origin

C20: from propag (ate) + -ule
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

propagule in Science

propagule

[prŏpə-gyōōl′]
  1. Any of various structures that can give rise to a new individual organism, especially parts of a plant that serve as means of vegetative reproduction, such as corms, tubers, offsets, or runners. Seeds and spores are also propagules.
  2. An elongated, dart-shaped seedling of various mangrove species growing in swampy habitats. A propagule develops from a seed that germinates while still attached to the parent tree. The parent supplies the seedling with nutrients and water until it becomes heavy and drops off. Its pointed end sticks in the mud or it floats away to colonize another area.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.