/ ˈmeɪdn; NAmE / noun , adjective
■ noun
1.
( literary ) a young girl or woman who is not married :
stories of knights and fair maidens
2.
(also ˌmaiden ˈover ) ( in cricket ) an over in which no points are scored
■ adjective
[ only before noun ] being the first of its kind :
a maiden flight / voyage (= the first journey made by a plane / ship)
a maiden speech (= the first speech made by an MP in the parliaments of some countries)
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WORD ORIGIN
Old English mægden , from a Germanic diminutive meaning maid, virgin; related to German Mädchen , diminutive of Magd maid, from an Indo-European root shared by Old Irish mug boy, servant.