A number of members that is greater than half of the total membership of a group and that has the power to make decisions binding on the whole. There are two types of majority that may be required for legislative approval of bills and other actions. A simple majority consists of more than half of those members present and voting. An absolute majority consists of more than half of those members entitled to vote, whether present or absent.
[Source: Texas Legislative Glossary: Texas Legislative Council for the 85th Legislature, Prepared by the Research Division of the Texas Legislative Council]