uindexundertrump./uhn-der-truhmp, uhn-der-truhmp/US // ˌʌn dərˈtrʌmp, ˈʌn dərˌtrʌmp //UK // (ˌʌndəˈtrʌmp) //小号,小号的,小号的人Definitions1. Cards.›to trump with a lower trump than has already been played.Level 4More words in u →