u·lu·late /ˈjuːljəleɪt, ˈʌl- $ ˈʌl-, ˈjuː-/ verb [intransitiveI] literaryC to cry out with a long high sound, especially because you are very sad or in pain 嚎叫,长啸;哀号 SYN wail —ululation /ˌjuːljəˈleɪʃən, ˌʌl- $ ˌʌl-, ˌjuː-/ noun [countableC, uncountableU]