un·gual /ˈʌŋgwəl, ˈʌn-/
  (a.)爪的,有爪的
  un·gual /ˈəŋgwəl, ˈən-/ 形容詞
  指(趾)甲的,爪的
  Un·gual a.
  1. Of or pertaining to a nail, claw, talon, or hoof, or resembling one.
  2. Having a nail, claw, or hoof attached; -- said of certain bones of the feet.
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  ungual
       adj : of or relating to a nail or claw or hoof