/vek say"sheuhn/ , n.
1. the act of vexing.
2. the state of being vexed; irritation; annoyance: vexation at missing the bus.
3. something that vexes; a cause of annoyance; nuisance: Rush-hour traffic is a daily vexation.
[ 1350-1400; ME vexacioun vexation- (s. of vexatio ), equiv. to vexat ( us ) (ptp. of vexare to VEX; see -ATE 1 ) + -ion- -ION ]