Entry 1 sense Webster, 1913 Cruciform /(kr?"s?-f?rm)/ · Cru·ci·form · IPA /ˈkɹuːsɪfɔː(ɹ)m/ 01 a. Cross-shaped; (Bot.) having four parts arranged in the form of a cross. 1. Cross-shaped; (Bot.) having four parts arranged in the form of a cross.(Bot.)