stone (adj.) Copy link Outline 1. lăpĭdeus (made of s.)2. lăpĭdārius (having to do with s.) • stone (adj.): 1. lăpĭdeus (made of s.): a s. wall, murus l., Liv.: Plin. 2. lăpĭdārius (having to do with s.): v. stone-quarry.