The Collaborative International Dictionary of English v.0.48:

Suppliant \Sup"pli*ant\, a. [F., p. pr. of supplier to entreat,
   L. supplicare. See Supplicate, and cf. Supplicant.]
   1. Asking earnestly and submissively; entreating; beseeching;
      supplicating.
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            The rich grow suppliant, and the poor grow proud.
                                                  --Dryden.
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   2. Manifesting entreaty; expressive of supplication.
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            To bow and sue for grace
            With suppliant knee.                  --Milton.
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   Syn: Entreating; beseeching; suing; begging; supplicating;
        imploring.
        [1913 Webster] -- Sup"pli*ant*ly, adv. --
        Sup"pli*ant*ness, n.
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