Noun

1. Distinctive manner of oral expression
2. Special importance or significance
3. The usage or vocabulary that is characteristic of a specific group of people
4. The relative prominence of a syllable or musical note (especially with regard to stress or pitch)
5. A diacritical mark used to indicate stress or placed above a vowel to indicate a special pronunciation

Verb

1. To stress, single out as important
2. Put stress on; utter with an accent