It is an inflection of knowing. It means understand, understand, know, guess, dominate. It is also in Botany in the form of shell elements forming the calyx of a flower. Blades that make up the chalice.
Knowing it. Of acknowledge. Told him that it was agreed at the meeting.!
Sepal: m. small sheet, forming together with other same located beneath the petals, forming the calyx of the flower: 'The sepals of roses and chrysanthemums are elongated and fold down when the flower ' opens.