lar·val \ˈlärvəl, ˈlȧv-\adjective Etymology: Latin larvalis, from larva + -alis -al 1.: of or relating to a spectral larva 2.[New Latin larvalis, from larva + Latin -alis -al] a.: of, relating to, typical of, or being an animal larva < the larval eye > < larval crayfishes > b.: immature of its kind < larval societies > < larval hopes and fears >