~ 1
■ verb
1》 make a repeated light tapping sound.
2》 run with quick light steps.
■ noun a repeated light tapping.
Origin
C17: frequentative of pat 1 .
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~ 2
■ noun rapid continuous talk, such as that used by a comedian or salesman.
↘rapid speech included in a comic song.
↘the jargon of a profession or other group.
■ verb talk trivially at length.
Origin
ME (as v. in the sense 'recite rapidly'): from paternoster .