SYNODIC; SYNODICAL a. 2 definitions
Pertaining to conjunction, especially to the period between two successive conjunctions; extending from one conjunction, as of the moon or a planet with the sun, to the next; as, a synodical month (see Lunar month, under Month); the synodical revolution of the moon or a planet.
TRANSMISSION n. 2 definitions
The right possessed by an heir or legatee of transmitting to his successor or successors any inheritance, legacy, right, or privilege, to which he is entitled, even if he should die without enjoying or exercising it.