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The Collaborative International Dictionary
Expariating

Expatiate \Ex*pa"ti*ate\, v. i. [imp. & p. p. Expatiated; p. pr. & vb. n. Expariating.] [L. expatiatus, exspatiatus, p. p. of expatiari, exspatiari, to expatiate; ex out + spatiari to walk about spread out, fr. spatium space. See Space.]

  1. To range at large, or without restraint.

    Bids his free soul expatiate in the skies.
    --Pope.

  2. To enlarge in discourse or writing; to be copious in argument or discussion; to descant.

    He expatiated on the inconveniences of trade.
    --Addison.