• Webster's Revised Unabridged Dictionary
    • n Decursion A flowing; also, a hostile incursion.
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Century Dictionary and Cyclopedia
    • n decursion The act of running down, as a stream.
    • n decursion In Roman antiquity, a military manœuver or evolution; a march; also, a parade under arms, as at a military funeral or other solemnity.
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Chambers's Twentieth Century Dictionary
    • n Decursion a running down: a military manœuvre or parade
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Webster's Revised Unabridged Dictionary
L. decursio, fr. decurrere,. See Decurrent
Chambers's Twentieth Century Dictionary
L. decurrensde, down, currĕre, cursum, to run.