Source : Webster's Revised Unabridged Dictionary (1913)

Synchronal \Syn"chro*nal\, a. [See {Synchronous}.]
   Happening at, or belonging to, the same time; synchronous;
   simultaneous. --Dr. H. More.

Synchronal \Syn"chro*nal\, n.
   A synchronal thing or event.

Source : WordNet®

synchronal
     adj : occurring or existing at the same time or having the same
           period or phase; "recovery was synchronous with
           therapy"- Jour.A.M.A.; "a synchronous set of clocks";
           "the synchronous action of a bird's wings in flight";
           "synchronous oscillations" [syn: {synchronous}, {synchronic}]
           [ant: {asynchronous}]