Systematic name: polyethene, Also called: polyethylene any one of various light thermoplastic materials made from ethylene with properties depending on the molecular weight of the polymer. The common forms are a waxy flexible plastic (low-density polythene) and a tougher rigid more crystalline form (high-density polythene). Polythene is used for packaging, moulded articles, pipes and tubing, insulation, textiles, and coatings on metal
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a chattering or flighty, light-headed person.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.