n. A word that utilizes sound symbolism to express aspects of events that can be experienced by the senses, like smell, color, shape, sound, action, or movement.
The Century Dictionary and Cyclopedia
n. In phonetics, the auditory symbol of a word or phrase that is perceived as a whole and thus constitutes a single idea. Ideophones are distinguished as sensory or motor, according as the sound or group of sounds corresponding to the word or phrase is heard or spoken. See ideogram, 2. First used by A. J. Ellis.
Word Usage
"The nattÅ strings itself are often described by the Japanese ideophone nebaneba, which roughly translates as 'viscid' or 'gooey'."