1. prehatch - Adjective
2. prehatch - Verb
prehatch (not comparable)
Before the hatching of an egg
prehatch (third-person singular simple present prehatches, present participle prehatching, simple past and past participle prehatched)
# To undergo changes that lead to hatching, such as the rupture of internal membranes as the embryo begins to emerge from the blastoderm cuticle.