Sentence:  The very pungent Mexican <WSD>Cascabel</WSD> looks a lot like the Cherry pepper when it is growing....In the dry state the skin becomes translucent and the seeds are loose so that they rattle, hence "cascabel", which means sleigh or jingle bells. Another cultivar, the elongate Catarina, is often called <WSD>Cascabel</WSD> because its dry seeds also make a noise within its translucent dry skin. 
Meaning of the word marked with <WSD> tags:  A small, round, hot variety of chili pepper, "Capsicum annuum", which rattles when dry.