convex, beetle brow, uneven
凸 centers on a shape that sticks out: a convex surface, a protruding brow, or any unevenness where one part rises above the rest.
凸 is a pictograph of a shape with a raised middle, directly representing the idea of convexity or protrusion.
The central vertical stroke pushes up past the top border, like a bump on a surface. 凸 is anything convex or sticking out unevenly.
For トツ, imagine a toe sticking out from a flat surface, making it uneven: toe -> トツ, and the bump is convex.
convex
brow; forehead
unevenness; roughness; ruggedness; bumpiness
unevenness; bumpiness; roughness; ruggedness
letterpress; relief printing
finger flick to the forehead
convex lens
sending dick pics; cyberflashing
biconvex
photoengraving
phototype
to charge; to rush; to assault; to attack
to charge; to rush; to assault; to attack
convexity
odd couple; incongruous couple
Africa Scream (film)
embossed paper
convex hull
beetle-browed boy; mischief
convexity