Cradle/ˈkreɪdl/ Definition 1 of 5Pro Tip 1/2Baby's Bed Cradle is typically used for infants, symbolizing comfort and safety. Her newborn's cradle was adorned with soft linens. Pro Tip 2/2Rocking Motion Cradles often rock, a motion associated with soothing a baby. He gently rocked the cradle to help the baby fall asleep.