yodel
Concise Oxford English Dictionary © 2008 Oxford University Press:
yodel /ˈjəʊd(ə)l/
▶verb (yodels, yodelling, yodelled; US yodels, yodeling, yodeled) practise a form of singing or calling marked by rapid alternation between the normal voice and falsetto. ▶noun a song or call delivered in such a way.
– derivatives
yodeller noun.
yodeller noun.
– origin C19: from Ger. jodeln.
'yodel' also found in these Oxford entries:

