a type of make-up, usually black, that is put around the edge of the eyes to make them more attractive and likely to attract attention （化妆的）眼线；眼线笔 
I had on heavy black eyeliner and black lipstick. 我涂了浓密的黑色眼线笔和黑色唇膏。 They sell a range of eyeliners and mascaras. 他们出售各种眼线笔和睫毛膏。
Oxford Collocations DictionaryEyeliner is used before these nouns:- pencil