Entry 1 sense Webster, 1913 Suboccipital · Sub·oc·cip·i·tal · IPA 01 a. Situated under, or posterior to, the occiput; as, the suboccipital, or first cervical, nerve. 1. Situated under, or posterior to, the occiput; as, the suboccipital, or first cervical, nerve.(Anat.)