Entry 1 sense Webster, 1913 Haslet /(hăs"lĕt)/ · Has·let · IPA /ˈheɪzlɪt/ 01 n. The edible viscera, as the heart, liver, etc., of a beast, esp. of a hog. 1. The edible viscera, as the heart, liver, etc., of a beast, esp. of a hog.