Dictionary

expeditionary

adjective ex·pe·di·tion·ary \-ˈdi-shə-ˌner-ē\

: relating to an expedition

: sent to fight in a foreign country

Full Definition of EXPEDITIONARY

:  of, relating to, or being an expedition; also :  sent on military service abroad <an expeditionary force>
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First Known Use of EXPEDITIONARY

1817

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