- Biol. any of various small reproductive bodies, usually consisting of a single cell, produced by bacteria, algae, mosses, ferns, certain protozoans, etc., either asexually (asexual spore) or by the union of gametes (sexual spore): they are capable of giving rise to a new adult individual, either immediately or after an interval of dormancy
- any small organism or cell that can develop into a new individual; seed, germ, etc.
Origin of sporeModern Latin spora from Gr, a sowing, seed, akin to speirein, to sow from Indo-European base an unverified form (s)p(h)er-, to strew, sow from source spread, sprout
intransitive verbspored, spor′ing