Answer: subtended

AnswerCrossword Clue
SUBTENDEDExtended under or opposite to
subtended(of a bract) Extend under (a flower) so as to support or enfold it
subtendedSUBTEND, to extend under or opposite to
subtended(of a line, arc, or figure) Form (an angle) at a particular point when straight lines from its extremities are joined at that point
subtended(of an angle or chord) Have bounding lines or points that meet or coincide with those of (a line or arc)