This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of or resembling an echo.

adj. Imitative of natural sounds; onomatopoeic: an echoic word.

adj. Of or pertaining to an echo

adj. imitative of a sound; onomatopoeic.

adj. Formed in imitation of a natural sound; -- of words. Contrasted to nonechoic.

adj. Like or characteristic of an echo.

Pertaining to or formed by echoism; onomatopoetic. See extract under echoism.

adj. (of words) formed in imitation of a natural sound

adj. like or characteristic of an echo

"coccyx: 1615, from Gk. kokkyx "cuckoo" from kokku, like the bird's Eng. name echoic of its cry, so called by ancient Gk. physician Galen because the bone in humans supposedly resembles a cuckoo's beak."

reflected   

imitative    onomatopoeic    onomatopoeical    onomatopoetic