Webster’s Revised Unabridged Dictionary · 1913
Helianthoid
He′li·an′thoid (·thoid), a. (Zoöl.) Of or pertaining to the Helianthoidea.
Webster’s Revised Unabridged Dictionary · 1913
He′li·an′thoid (·thoid), a. (Zoöl.) Of or pertaining to the Helianthoidea.