Source : Webster's Revised Unabridged Dictionary (1913)

Cyclic \Cyc"lic\ (s?k"l?k or s?"kl?k), Cyclical \Cyc"lic*al\
   (s?k"l?-kal), a. [Cf. F. cycluque, Gr. kykliko`s, fr. ky`klos
   See {Cycle}.]
   Of or pertaining to a cycle or circle; moving in cycles; as,
   cyclical time. --Coleridge.

   {Cyclic chorus}, the chorus which performed the songs and
      dances of the dithyrambic odes at Athens, dancing round
      the altar of Bacchus in a circle.

   {Cyclic poets}, certain epic poets who followed Homer, and
      wrote merely on the Trojan war and its heroes; -- so
      called because keeping within the circle of a single
      subject. Also, any series or coterie of poets writing on
      one subject. --Milman.

Source : WordNet®

cyclic
     adj 1: conforming to the Carnot cycle
     2: botany; forming a whorl or having parts arranged in a whorl;
        "cyclic petals"; "cyclic flowers" [ant: {acyclic}]
     3: of a compound having atoms arranged in a ring structure
        [ant: {acyclic}]
     4: recurring in cycles [syn: {cyclical}] [ant: {noncyclic}]
     5: marked by repeated cycles