The Collaborative International Dictionary of English v.0.48:
Cotemporary \Co*tem"po*ra*ry\ (k?-t?m"p?-r?-r?), a. Living or being at the same time; contemporary. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Cotemporary \Co*tem"po*ra*ry\, n.; pl. Cotemporaries (-r[i^]z). One who lives at the same time with another; a contemporary. [1913 Webster]