n. A covered, sometimes heated container for germinating seeds or raising seedlings
n. A function that represents the quantum propagation of a subatomic particle
the GNU version of the Collaborative International Dictionary of English
n. One who propagates; one who continues or multiplies.
The Century Dictionary and Cyclopedia
n. One who propagates; one who continues by generation or successive production; one who causes something to extend or spread; a promoter; a diffuser: as, a propagator of heresies.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. someone who propagates plants (as under glass)
n. someone who spreads the news
Word Usage
"Once the meme has been propagated, the propagator is tossed aside, and must wait to be rediscovered by “the kids,” à la Tony Bennett."