also: ちゅうぐらい
noun which may take the genitive case particle 'no', na-adjective, noun
Describes size, degree, or level that is neither high nor low, big nor small. Often used with の to modify nouns, or as a な-adjective.
中くらいのサイズをください。
Please give me a medium size.
彼の成績は中くらいだ。
His grades are about average.
Compound of 中 (ちゅう, 'middle') and くらい ('approximately, degree'). The reading ちゅうぐらい is a euphonic change (rendaku).