Prĕs'si-rŏs'tral, a.
a. (Ornith.) Of, or pertaining to, the pressirosters; having a compressed or flattened beak; — applied to certain birds, as the lapwing. Partington.
a. (Ornith.) Of, or pertaining to, the pressirosters; having a compressed or flattened beak; — applied to certain birds, as the lapwing. Partington.