D defs.my
Entry 1 sense Webster, 1913

Tribual

· Trib·u·al · IPA /ˈtɹɪb.ju.əl/
01 a. Of or relating to a tribe; tribal; as, a tribual characteristic; tribular worship.
  1. 1.
    Of or relating to a tribe; tribal; as, a tribual characteristic; tribular worship.[R.]
    “The tribual lispings of the Ephraimites.” Fuller.