ˌȯləˈkämnēəm noun
Usage: capitalized
Etymology: New Latin, from Greek aulak-, aulax furrow + New Latin -o- + Mnium
: a small genus (the type of the family Aulacomniaceae) of tufted mosses closely related to the genus Mnium with each leaf cell having a conical central papilla and the capsules being striate and with double peristomes