majority-n; 4 Senses

Sense Number 1: the largest proportion of something

Commentary: MAJORITY[+quantity][+largest]
NOTE: a general notion of largest proportion, need not be half, just more than any other allocation.
NOTE: can be a proportion of a set of things (people), or a single thing (pie)

Examples:
A majority of the students accepted to that college are from the midwest.
I would say Pete ate the majority of the chocolate cake.
Among our customers, the majority care more about economizing than attaining status symbols.

Mappings:
WordNet 3.0 Sense Numbers: 1

Sense Number 2: the number of votes required to win an election

Commentary: MAJORITY[+quantity][+proportion][+vote][+51_percent/+predominant]
NOTE: a narrow sense of sense 1, implies legal stipulations about the votes required in a context

Examples:
The Democrats may regain the majority of Senate seats in the next election.
The leading candidate didn't win a majority so there will be a runoff.
He now owns the majority of the stock in that company. (implies voting clout)
John believes the purpose of the state is to balance individual rights against majority rule.

Mappings:
WordNet 3.0 Sense Numbers: 2

Sense Number 3: the age at which one is legally an adult

Commentary: MAJORITY[+state][+chronological][+age][+adult]

Examples:
The defendant has reached majority and so will not be tried as a minor.
Mandated child support usually ends when the children reach majority.

Mappings:
WordNet 3.0 Sense Numbers: 3

Sense Number 4: the military rank of major

Commentary: MAJORITY[+quality][+rank][+military][+major]

Examples:
Bob achieved majority in the army before he retired.
Those captains must obey him because he has majority. (US major outranks captain in the army)

Mappings:
WordNet 0.0 Sense Numbers: 5