ˈnärˌtheks noun
( -es )
Etymology: Late Greek narthēx, from Greek, giant fennel, probably of Semitic origin like Greek nardos nard; from the resemblance in shape of the thin porch to a stalk of giant fennel — more at nard
1. : a western porch (as in early Christian churches) used originally by persons (as women, penitents, or catechumens) not entering the church itself and being usually one side or member of the atrium or outer court surrounded by ambulatories ; also : a vestibule (as within an early Christian church) used for similar purposes
2. : a vestibule leading to the nave of a church — see basilica illustration