also: トッケー
Refers specifically to the species Gekko gecko, a large gecko known for its loud call. The name is onomatopoeic from its call.
See also: トッケイヤモリ (トッケイやもり)
The tokay gecko is a large gecko that lives in Southeast Asia.
At night, you can hear the call of the tokay gecko.
Alternate katakana spelling; less common than トッケイ.
Borrowed from English 'tokay', which is imitative of the gecko's call. The exact path into Japanese is uncertain, but the word is used as a common name for the species.