Having an angle or angles; forming an angle or corner.
3
Sharp-cornered; pointed.
an angular figure
In overall appearance, katakana symbols are more angular in shape and hiragana are more rounded. Here are the first five sounds of each script (a, i, u, e, o). Compare these two sets of symbols and see if you can identify these features: Hiragana あ い う え お Katakana ア イ ウ エ オ2008, Helen Gilhooly, chapter 1, in Complete Japanese, →ISBN, page 31:
He's remarkably angular in his habits and appearance.
She is an angular female.
8
Chemistry, Natural sciences, Organic chemistry, Physical sciences Composed of three or more rings attached to a single carbon atom (the rings not all being in the same plane).