Entry 2 senses · 2 variants Webster, 1913 Cycloganoid /(s?`kl?-g?"noid [or] -g?n"oid)/ · Cy·clo·ga·noid · IPA a. n. 01 a. Of or pertaining to the Cycloganoidei. 1. Of or pertaining to the Cycloganoidei.(Zool.) 02 n. One of the Cycloganoidei. 1. One of the Cycloganoidei.(Zool.)