Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Shapes, patterns-iform-iform /əfɔːm $ əfɔːrm/ suffix [in adjectives] technical CFSHAPEhaving a particular shape cruciform (=cross-shaped)Origin -iform French -iforme, from Latin -iformis, from forma; → FORM1 ldoceonline.com