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Webster 1828 Edition

ppr.

[See Pant.] Palpitating; breathing with a rapid succession of inspirations and expirations; longing.

Noun.

Palpitation; rapid breathing; longing.

panting

panting ‎(plural pantings)

The act of one who pants.
- William Wordsworth
  Now here, now there, moved by the straggling wind, / Came ever and anon a breathlike sound, / Quick as the pantings of the faithful dog […]