1. One who loves; one who is in love; usually limited, in the singular, to a person of the male sex. Love is blind, and lovers can not see The pretty follies that themselves commit. (Shak)
2. A friend; one strongly attached to another; one who greatly desires the welfare of any person or thing; as, a lover of his country. I slew my best lover for the good of Rome. (Shak)
3. One who has a strong liking for anything, as books, science, or music. A lover of knowledge. .