noun
pupil and dark iris; dark part of the eye
Refers to the dark central part of the eye, including the pupil and the surrounding iris. Often contrasted with 白目 (しろめ), the white of the eye.
See also: 白目 (しろめ)
彼女の黒目が大きくてきれいだ。
Her dark eyes are big and beautiful.
黒目がちな目は優しい印象を与える。
Eyes with large dark parts give a gentle impression.
白目 refers to the white part of the eye, while 黒目 refers to the dark part (pupil and iris).
Compound of 黒 (くろ, 'black') and 目 (め, 'eye'). The kanji 眼 is also used for 'eye' but is less common in this word.