prattler

prattle +‎ -er

prattler (plural prattlers)

1. One who prattles or is inclined to do so.

   The patrolman had the misfortune to be assigned a beat that ran past the house of Ms. McDougall, a notorious prattler and neighborhood gossip.

   • 1749, Henry Fielding, The History of Tom Jones, a Foundling

     “I am glad, Nanny,” says Mrs Miller, “the gentleman hath made the observation; I protest I am almost of his opinion. What can be the matter with you, child? I never saw such an alteration. What is become of all your gaiety? Would you think, sir, I used to call her my little prattler? She hath not spoke twenty words this week.”