Definition of gametophyte
: the haploid multicellular individual or generation of a plant or alga with alternation of generations that begins with a haploid spore, produces gametes by mitotic division, and ends with fertilization producing a diploid zygote and that constitutes the visibly dominant form in mosses and algae, exists as an independent plant body in ferns and their relatives, and is reduced to a microscopic or rudimentary state in seed plants — compare sporophyte
gametophyticplay \gə-ˌmē-tə-ˈfi-tik\ adjective
Recent Examples of gametophyte from the Web
Nowellia curvifolia (leafy liverwort) gametophyte, berberine stained.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gametophyte'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Learn More about gametophyte
Britannica.com: Encyclopedia article about gametophyte
Seen and Heard
What made you want to look up gametophyte? Please tell us where you read or heard it (including the quote, if possible).