What is the meaning of Abstain?

Keep or withhold oneself.

Refrain from (something or doing something); keep from doing, especially an indulgence.

Fast (not eat for a period).

Deliberately refrain from casting one's vote at a meeting where one is present.

Hinder; keep back; withhold.

to abstain:

  1. to deliberately refrain from casting one's vote at a meeting where one is present.
  2. to refrain from (something or doing something), to fast.

    to deliberately refrain from casting one's vote at a meeting where one is present.

    to refrain from (something or doing something), to fast.

    Source: wiktionary.org