1 a recurring in cycles. b belonging to a chronological cycle.
2 Chem. with constituent atoms forming a ring.
3 of a cycle of songs etc.
4 Bot. (of a flower) with its parts arranged in whorls.
5 Math. of a circle or cycle.
Etymology: F cyclique or L cyclicus f. Gk kuklikos (as CYCLE)
Useful english dictionary. 2012.