radial-digital grasp

ra·di·al-dig·i·tal grasp

(rā'dē-ăl-dij'i-tăl grasp)
A grasp pattern emerging in the 8th-9th month characterized by holding an object between an opposed thumb and fingertips with the object held toward the distal end of these digits so that a space is visible between the thumb and the fingers.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012