first day

noun

1

usually capitalized F : sunday

—used chiefly by the Friends

2

a

: a day when the postage stamps of a new issue are first placed on sale

especially : one on which recognition of the event is made by special cancellations and often by cachets on mail bearing the stamps

b

: first day cover

Word History

First Known Use

1649, in the meaning defined above

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Rhymes for first day

• airway
• allay
• archway
• array
• ashtray
• astray
• aue
• away
• ballet
• belay
• beltway
• beret