n. A plant (or the diploid phase in its life cycle) which produces spores by meiosis in order to produce gametophytes.
the GNU version of the Collaborative International Dictionary of English
n. In plants exhibiting alternation of generations, the generation which bears asexual spores; -- opposed to gametophyte. It is not clearly differentiated in the life cycle of the lower plants.
The Century Dictionary and Cyclopedia
n. In botany, the segment or stage of the life-cycle of the higher cryptogams (Pteridophyta, Bryophyta) in which the non-sexual organs of reproduction are borne
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the spore-producing individual or phase in the life cycle of a plant having alternation of generations
Word Usage
"A pine tree is called a sporophyte because it develops from a spore produces spores is haploid can reproduce sexually and asexually cannot undergo meiosis"