also: にゃあ · にゃお · にゃあご
adverb, adverb taking the 'to' particle
Onomatopoeic word representing the sound a cat makes. Often used with the particle と (e.g., にゃーと鳴く).
猫がにゃーと鳴いた。
The cat meowed.
子猫がにゃあにゃあ鳴いている。
The kitten is mewing.
Less common variant; may represent a longer or more drawn-out meow.
Onomatopoeic; imitative of a cat's cry. The exact historical derivation is uncertain.