a tall hickory tree, Carya illinoinensis, of the southern U.S. and Mexico, cultivated for its oval, smooth-shelled, edible nuts: the state tree of Texas.
2.
a nut of this tree.
Origin: 1765–75, Americanism; < Mississippi Valley Frenchpacane < Illinoispakani < Proto-Algonquian *paka·n- nut (derivative of *pake·- crack nuts)
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a stew of meat, vegetables, potatoes, etc.
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.
a chattering or flighty, light-headed person.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
1712, paccan "the pecan tree," or a related hickory, from Fr. pacane, from an Algonquian word meaning "nut" (cf. Cree pakan "hard-shelled nut," Ojibwa bagaan, Abenaki pagann, Fox /paka:ni/).