POPCORN
popcorn
(noun) small kernels of corn exploded by heat
popcorn, Zea mays everta
(noun) corn having small ears and kernels that burst when exposed to dry heat
Source: WordNet® 3.1
Etymology
Noun
popcorn (countable and uncountable, plural popcorns)
(chiefly, uncountable) A snack food made from corn/maize kernels popped by dry heating.
(chiefly, uncountable) A type of maize with a hard outer hull that, along with the type of starch it contains, makes it suitable for popping.
(knitting) A kind of stitch similar to a bobble.
Verb
popcorn (third-person singular simple present popcorns, present participle popcorning, simple past and past participle popcorned)
(Of a guinea pig) to stand up or jump up quickly.
Source: Wiktionary