Dictionary.com
Thesaurus.com

ad utrumque paratus

American  
[ahd oo-troom-kwe pah-rah-toos, ad yoo-truhm-kwee puh-rey-tuhs] / ɑd uˈtrʊm kwɛ pɑˈrɑ tʊs, æd yuˈtrʌm kwi pəˈreɪ təs /
Latin.
  1. ready for either alternative.