verb

• (transitive)
  "And giue me leaue, / And doe not ſay 'tis Superſtition, that / I kneele, and then implore her Bleſſing."
• (transitive)
  "Acquaint her vvith the danger of my ſtate, / Implore her, in my voice, that ſhe make friends / To the ſtrict deputie: […]"
• (intransitive) Often followed by for (a thing) or of (a person): to express an earnest or urgent plea.
  "That fortnight Rochester passed in intriguing and imploring."

noun

• (obsolete, rare) An act of begging or pleading earnestly or urgently; an entreaty, an imploration or imploring, a plea.
  "Suddenly out of his delightfull dreame / The man avvoke, and vvould haue queſtiond more; / But he vvould not endure that vvofull theame / For to dilate at large, but vrged ſore / VVith percing vvordes, and pittifull implore, / Him haſty to ariſe."