How do you spell Sombre

Available Definitions:
1)  a. - Dull; dusky; somewhat dark; gloomy; as, a somber forest; a somber house.
2)  a. - Melancholy; sad; grave; depressing; as, a somber person; somber reflections.
3)  v. t. - To make somber, or dark; to make shady.
4)  n. - Gloom; obscurity; duskiness; somberness.