What is "yodle"

Yodel \Yo"del\, Yodle \Yo"dle\, n. A song sung by yodeling, as by the Swiss mountaineers.

Yodel \Yo"del\, Yodle \Yo"dle\, v. t. & i. [imp. & p. p. Yodeled, Yodled; p. pr. & vb. n. Yodeling, Yodling.] To sing in a manner common among the Swiss and Tyrolese mountaineers, by suddenly changing from the head voice, or falsetto, to the chest voice, and the contrary; to warble.

vb. (archaic form of yodel English)

Yodle is an American company which sells online marketing, generally to small businesses, in the U.S. and Canada. As of the end of 2014, the company had more than 1,200 employees, and reported an annual revenue of $163 million. The company was founded by Nathaniel Stevens, Milind Mehere, Ben Rubenstein, Kartik Hosanagar and John Berkowitz in 2005. The company was previously called 'NatPal', but changed its name in 2007.