Webster’s Revised Unabridged Dictionary · 1913
Clathrate
Clath′rate (klăth′rāt), a. [L. clathri lattice, Gr. κλῃθρα.] 1. (Bot.) Shaped like a lattice; cancellate. Gray.
2. (Zoöl.) Having the surface marked with raised lines resembling a lattice, as many shells.