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Use "flittermouse" in a sentence
"Soon after the May garlands the meadow orchis comes up, which is called 'dead men's hands,' and after that the 'ram's-horn' orchis, which has a twisted petal; and in the evening the bat, which they call flittermouse, appears again."
"“But me no buts! or depart as recreant, not by the door like a man, but up the chimney like a flittermouse.”"
"After that he greased it with the fat of a bat or flittermouse, to see if it was not written with the sperm of a whale, which some call ambergris."