|1.||lasting for only a short time; transitory; short-lived: ephemeral pleasure|
|2.||a short-lived organism, such as the mayfly|
|3.||a plant that completes its life cycle in less than one year, usually less than six months|
|[C16: from Greek ephēmeros lasting only a day, from hēmera day]|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
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