A light-emitting module, notably for a motor vehicle, including a translucent or transparent material body having an entry face for light rays produced by one or more light sources, a first reflection face with an edge for cutting off the rays coming from the entry face, a second reflection face for reflecting toward the exit face rays coming from the first reflection face, and an exit face for the light rays in an exit beam along an optical axis of the module. The invention also relates to a headlight including at least one such light-emitting module.