an extraordinary or unusual thing, person, or event; an exceptional example or instance.
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.
generatrix (jěn'ə-rā'trĭks) Pronunciation Key Pluralgeneratrices (jěn'ə-ə-rā'trĭ-sēz', -ər-ə-trī'sēz)
A geometric element that generates a geometric figure, especially a straight line that generates a surface by moving in a specified fashion. Also called generator.