What does aniline mean?
The definition of aniline
An”i*line, n.
Etym: [See Anil.] (Chem.)

An organic base belonging to the phenylamines. It may be regarded as ammonia in which one hydrogen atom has been replaced by the radical phenyl. It is a colorless, oily liquid, originally obtained from indigo by distillation, but now largely manufactured from coal tar or nitrobenzene as a base from which many brilliant dyes are made.

An”i*line, a.
Made from, or of the nature of, aniline.