Casu proviso was a writ of entry, given by the Statute of Gloucester, in cases where a tenant in dowry transfers property to another in fee, or for term of life, or in tail.
kˈɑːʒuː pɹəvˈaɪzoʊ wʌzɐ ɹˈɪt ʌv ˈɛntɹi, ɡˈɪvən baɪ ðə stˈætʃuːt ʌv ɡlˈɑːstɚ, ɪn kˈeɪsᵻz wˌɛɹ ɐ tˈɛnənt ɪn dˈaʊɹi tɹˈænsfɜːz pɹˈɑːpɚɾi tʊ ɐnˈʌðɚɹ ɪn fˈiː, ɔːɹ fɔːɹ tˈɜːm ʌv lˈaɪf, ɔːɹ ɪn tˈeɪl.