Spăn'-worm, n.
(-wŏrm), n. (Entom.) The canker-worm;—so called from its peculiar mode of progression, in which it spans or measures the distance over which it passes. See CANKER-WORM.
(-wŏrm), n. (Entom.) The canker-worm;—so called from its peculiar mode of progression, in which it spans or measures the distance over which it passes. See CANKER-WORM.