The aims of this essay are two-fold. Firstly, it seeks to providea semantic analysis of the expository apposition marker þet is as it is employed in the Cambridge, Corpus Christi College, MS 402 of Ancrene Wisse. This is in order to provide comparative data with the research of Pahta and Nevanlinna concerning the expository apposition marker that is. Secondly, it seeks to establish the relationship between theexpository apposition marker that is and its accompanying punctus in order to reveal scribal attempts at the differentiating use of the punctus, depending on the first appositive.