Entry 1 sense Webster, 1913 Jugulum · Ju·gu·lum · IPA /ˈd͡ʒʌɡ.jəl.əm/ 01 n. The lower throat, or that part of the neck just above the breast. pl. Jugula ((#)) 1. The lower throat, or that part of the neck just above the breast.(Zool.)