It comes from Nahuatl ayacaxtli (musical instrument). 1o_ It is the name of a small drum, of a musical instrument similar to a rattle, of a type of maraca or rattle, and of the crótalo that make some snakes ring in the tail. 2nd_ Plant of the genus Crescentia and its fruit resembling a pumpkin. Also the plant Leucaena Leucocephala .