a sphenoid bone

T-square

(grammar) present progressive form / (by extension, with で) making progress

(geometry) the joining line between two vertices of a polygon; edge, [side] / (graph theory) any of the connected pairs of the vertices in a graph; edge

place, general area, vicinity

(obsolete) place, general area, vicinity

place, general area, vicinity

(obsolete) the area near something or along the edge of something

the area near something or along the edge of something

(obsolete) the area near something or along the edge of something