Entry 1 sense Webster, 1913 Agminate /ăgʹmĭnāt/ · Ag·mi·nate · IPA /ˈæɡmɪneɪt/ 01 a. Grouped together; as, the agminated glands of Peyer in the small intestine. 1. Grouped together; as, the agminated glands of Peyer in the small intestine.(Physiol.)