nostra culpa

== English == === Etymology === From the Latin phrase nostrā culpā (“through our fault”), ablative case of nostra culpa (“our fault, guilt”), used in English by analogy with mea culpa. === Interjection === nostra culpa (uncommon) Our fault, due to our error; we are to blame. Coordinate terms: mea culpa, tua culpa === Noun === nostra culpa (plural nostra culpas) (uncommon) An instance of nostra culpa; an apology on behalf of a group. Coordinate terms: mea culpa, tua culpa