Entry 2 senses · 2 variants Webster, 1913 Musciform · Mus·ci·form · IPA a. a. 01 a. Having the form or structure of flies of the genus Musca, or family Muscidae. 1. Having the form or structure of flies of the genus Musca, or family Muscidae.(Zool.) 02 a. Having the appearance or form of a moss. 1. Having the appearance or form of a moss.(Bot.)