a. [ L. placidus, originally, pleasing, mild, from placere to please: cf. F. placide. See Please. ] Pleased; contented; unruffied; undisturbed; serene; peaceful; tranquil; quiet; gentle. “That placid aspect and meek regard.” Milton. “Sleeping . . . the placid sleep of infancy.” Macaulay. [ 1913 Webster ]
n. [ L. placiditas: cf. F. placidité. ] The quality or state of being placid; calmness; serenity. Hawthorne. [ 1913 Webster ]
adv. In a placid manner. [ 1913 Webster ]
n. The quality or state of being placid. [ 1913 Webster ]
n. [ L. placitum. See Plea. ] A decree or determination; a dictum. [ Obs. ] “The placits and opinions of other philosophers.” Evelyn. [ 1913 Webster ]
a. [ See Placit. ] Of or pertaining to pleas or pleading, in courts of law. [ Obs. ] Clayton. [ 1913 Webster ]
‖n.;