The Collaborative International Dictionary of English v.0.48:
Cycad \Cy"cad\ (s[imac]"k[a^]d), n. (Bot.) Any plant of the natural order Cycadace[ae], as the sago palm, etc. [1913 Webster]WordNet (r) 3.0 (2006):
cycad n 1: any tropical gymnosperm of the order Cycadales; having unbranched stems with a crown of fernlike leaves