- umbraThe fully shaded inner region of a shadow cast by an opaque object.
- umberA brown clay, somewhat darker than ochre, which contains iron and manganese oxides.
- umbratilousShadowy; faint; secluded; indistinct; vague; latent; indeterminate.
- umbrelAn umbrere; the visor of a helmet
- umbrereIn medieval armour, a visor, or projection like the peak of a cap, to which a fixed or movable faceguard was sometimes attached.
- UmbrielA moon of Uranus
- umbrineAny of several food fishes of the genus Umbrina of drums.
- umbrisolA kind of soil with a dark topsoil and having organic matter accumulated within the mineral surface soil.