What is the meaning of Plaudo?

first-person singular present indicative of plaudere

to strike, beat, clap

to applaud; to clap one's hands in token of approbation

166 BCE, Publius Terentius Afer, Andria 981:
(The final spoken word of the play) Plaudite!
Applaud!

to approve

to strike hands to complete a bargain

to beat, flap

Source: wiktionary.org