Radical 一

4 strokes

one 一 (1) + big 大 (47) = heaven 天

Other common meanings for this character are “sky”, “day” and “weather”.

[白天 (22) báitiān daytime]

[天天 tiāntiān every day]

The unicorn was so big that his horn seemed to touch the heaven s. / But he made an ideal umpire for the two giants playing tennis (as he was tall enough to see clearly what was going on).