Source : Webster's Revised Unabridged Dictionary (1913)

Ligamental \Lig`a*men"tal\ (-m[e^]n"tal), Ligamentous
\Lig`a*men"tous\ (-t[u^]s), a. [Cf. F. ligamenteux.]
   Composing a ligament; of the nature of a ligament; binding;
   as, a strong ligamentous membrane.