A way people can vote when they can't get to their polling place. They vote on a special form and mail it in.

Absentee voting allows voters who cannot come to polling places to cast their ballots. A variety of circumstances, including residency abroad, illness, travel or military service, can prevent voters from coming to the polls on Election Day. Absentee ballots permit registered voters to mail in their votes. The Uniformed and Overseas Citizens Absente [..]

Voting during advance voting outside one’s electoral district of residence; voting on General Voting Day at any voting opportunity other than the one designated for a voter’s voting area of residence. Absentee ballots are counted at final count. (Election Act, s. 73 (d), (e))

Absentee voting or absentee ballot refers to the method by which a qualified voter who is temporarily absent from his/her place of domicile will be permitted to cast his/her vote in the general electi [..]