a. [f. SYMPOSIUM + -AL.] = SYMPOSIAC a.
1775. Sir E. Barry, Observ. Wines Ancients, 276. The different symposial topics of conversation.
1880. J. Cairns, Unbelief in 18th Cent., iii. (1881), 72. An account of a pantheistic club … with a description of their … symposial usages.
