to stick out / protruding / convex / male (connector etc) / Taiwan pr. [tu2]
Tommy Turtle (tu) is installing a convex (凸) lens to the outer hull of the space station (Ø1). The lens is so convex that Tommy Turtle is unable to embrace it with his arms.
凸 character breakdown
The character 凸 cannot be broken down into individual components.
Characters with 凸 as component
凸
is not used as a component in another character.