Množina: synods

ETYM Latin synodus, Greek synodos a meeting; syn with + odos a way; cf. as. sinoth, senoth, French synode, both from the Latin.<br /> A council convened to discuss ecclesiastical business.
Ecclesiastical assembly or council.
Assembly or council, especially of Church.
Astronomy, (of period) between two conjunctions with sun.

ETYM Latin synodalis: cf. French synodal.
Pertaining to a synod.

1. Of or relating to a synod; synodal
2. usually synodic [Greek synodikos, from synodos meeting, conjunction]; relating to conjunction; especially; relating to the period between two successive conjunctions of the same celestial bodies (as the moon and the sun)

Of or pertaining to conjunction.

Singular of synods is synod.