Definitions
1.verbTo hold back, to restrain (someone or something).
2.verbTo show restraint; to hold oneself back.
3.verbTo repress (a desire, emotion etc.); to check or curb.
4.verb(with preposition "from") To stop oneself from some action or interference; to abstain.
5.verbTo abstain from (food or drink).
6.nounThe act of one who refrains from doing something.