Entry 1 sense Webster, 1913 Nightjar · Night·jar · IPA /ˈnaɪtd͡ʒɑɹ/ 01 n. A goatsucker, esp. the European species. See Illust. of Goatsucker. 1. A goatsucker, esp. the European species. See Illust. of Goatsucker. See: Goatsucker