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day trip
Dayak
Dayan
daybook
dayboy
daybreak
daycare
daydream
dayfly
daygirl
dayhop
daylight
daylight lamp
daylight robbery
daylight-saving time
daylong
daypack
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dayfly
day·fly [ dáy fl ] (plural day·flies)


noun 
Definition:
 
insects 
Same as  mayfly (sense 1)

[Early 17th century. Because it lives for only one day]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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