sentence-n; 2 Senses

Sense Number 1: A string of words satisfying the grammatical rules of a language.

Commentary: SENTENCE[+linguistic]

The child made several sentences that day.
Only certain strings qualify as sentences.

PropBank: sentence.02
WordNet 3.0 Sense Numbers: 1

Sense Number 2: (criminal law) the period of time a prisoner is (set to be) imprisoned.

Commentary: SENTENCE[+event][+criminal_law]

The jury handed down a sentence within hours.
His sentence was 5 to 10 years.

PropBank: sentence.01
WordNet 3.0 Sense Numbers: 2, 3