CYCAS
Cycas, genus Cycas
(noun) type genus of Cycadaceae: genus of widely distributed Old World evergreen tropical trees having pinnate leaves and columnar stems covered with persistent bases of old leaves
Source: WordNet® 3.1
Etymology
From the genus name.
Noun
cycas (plural cycases)
(botany) Any member of the plant genus Cycas.
Source: Wiktionary
Cy"cas (s"ks), n. Etym: [Of uncertain origin. Linnæus derives it from
one of the "obscure Greek words."] (Bot.)
Definition: A genus of trees, intermediate in character between the palms
and the pines. The pith of the trunk of some species furnishes a
valuable kind of sago.
Source: Webster’s Unabridged Dictionary 1913 Edition