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Webster 1913 Edition

(s?kˊ?-d?′sh?s or s?ˊk?-)

Adj.

(Bot.)

Pertaining to, or resembling, an order of plants like the palms, but having exogenous wood. The sago palm is an example.

cycadaceous ‎(comparative more cycadaceous, superlative most cycadaceous)

(botany) Relating to, or resembling, the Cycadaceae, a family of plants like the palms but with exogenous wood.
The sago palm is a cycadaceous plant.