Endearment means in slang: A term or phrase you use to show affection or love is called an endearment. (in Slang Dictionary, added by JordalCredal)

What else does Endearment mean?

An expression of affection, the term Endearment, is basically a way to express your love. However, the usage of this expression varies from one person to the next depending on the person receiving it. (in Slang Dictionary, added by Jasper Velazquez)

A gesture of affection such as caressing. (in Merlin Dictionary)