ðə ʃᵻkˈɑːɡoʊlˈæmbəθ kwˌɑːdɹɪlˈæɾɚɹəl, fɹˈiːkwəntli ɹᵻfˈɜːd tʊ æz ðə lˈæmbəθ kwˌɑːdɹɪlˈæɾɚɹəl ɔːɹ ðə lˈæmbəθʃᵻkˈɑːɡoʊ kwˌɑːdɹɪlˈæɾɚɹəl, ɪz ɐ fˈoːɹpˈɔɪnt ɑːɹtˌɪkjʊlˈeɪʃən ʌv ˈæŋɡlɪkən aɪdˈɛntᵻɾi, ˈɔfən sˈaɪɾᵻd æz ɛŋkˈæpsjʊlˌeɪɾɪŋ ðə fˌʌndəmˈɛntəlz ʌvðɪ ˈæŋɡlɪkən kəmjˈuːniənz dˈɑːktɹɪn ænd æz ɐ ɹˈɛfɹəns pˈɔɪnt fɔːɹ ˌɛkjuːmˈɛnɪkəl dɪskˈʌʃən wɪð ˈʌðɚ kɹˈɪstʃən dᵻnˌɑːmᵻnˈeɪʃənz.
The Chicago-Lambeth Quadrilateral, frequently referred to as the Lambeth Quadrilateral or the Lambeth-Chicago Quadrilateral, is a four-point articulation of Anglican identity, often cited as encapsulating the fundamentals of the Anglican Communion's doctrine and as a reference point for ecumenical discussion with other Christian denominations.