Definition of "lower case" []

• The minuscule or small letters (a, b, c, as opposed to the uppercase or capital letters, A, B, C). (noun)

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• "33I have left “rocky mountains” in lower case as a general reference, but Yeats may have intended more specifically the Rocky Mountains in the American West."
• "The sign was small and newly painted, or even brand new, and it bore the legend To the Monument in capital letters, and Swine Brook Field 1643 in lower case beneath them."