sext

Short definition from Wiktionary

Noun

1. 1
   Noon, reckoned as the sixth hour of daylight.
2. 2
   The service appointed for this hour.
3. 3
   A sixth: an interval of six diatonic degrees.
4. 4
   An organ stop of two ranks of pipes an interval of a sixth apart.
5. 5
   An electronic message, especially one sent by cell phone, involving sexual language or images.

Verb

1. 1
   To send a sext.