D defs.my
Entry 1 sense Webster, 1913

Asaphus

· As·a·phus · IPA
01 n. A genus of trilobites found in the Lower Silurian formation. See Illust. in Append.
  1. 1.
    A genus of trilobites found in the Lower Silurian formation. See Illust. in Append.(Paleon.)