incubatory adjective 1noun 1forms 1 adjective1 •Serving for or pertaining to incubation.The measurement investigations show furthermore that some of the wintered gammarid females commenced to get eggs in their incubatory pouches at about the end of January. — 1922 noun1 •A building where eggs are incubated.As already stated, the incubatory is constructed of sun-dried bricks, mortar and earth. — 1888 formsincubatories
