(adj) immature of its kind; especially being or characteristic of immature insects in the newly hatched wormlike feeding stage, Example:larval societies; larval crayfishes; the larval stage
‖prop. n. pl. [ NL. See Larval. ] (Zool.) An order of Tunicata, including Appendicularia, and allied genera; -- so called because certain larval features are retained by them through life. Called also Copelata. See Appendicularia. [ 1913 Webster ]