|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|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.|
|astrodynamics (ās'trō-dī-nām'ĭks) Pronunciation Key
The dynamics of natural and artificial bodies in outer space.