Thundershower :: Thundershower (n.) A shower accompanied with lightning and thunder.
Undershapen :: Undershapen (a.) Under the usual shape or size; small; dwarfish.
Undershirt :: Undershirt (n.) A shirt worn next the skin, under another shirt; -- called also undervest..
Undershot :: Undershot (a.) Having the lower incisor teeth projecting beyond the upper ones, as in the bulldog..
Undershot :: Undershot (a.) Moved by water passing beneath; -- said of a water wheel, and opposed to overshot; as, an undershot wheel..
Undershrieve :: Undershrieve (n.) A low shrub; a woody plant of low stature.