Meanings

working angle

square brackets

isosceles right triangle

isosceles right triangle

hexagon socket head

hex socket head cap bolt

hexagonal wrench

viewing angle

(optics) radiance

hairstyle with buns on each side of the head

to throw the baby out with the bath water

sound of a horn announcing daybreak

angular coordinate(s)

nipplefruit (Solanum mammosum)

to get jealous

to get jealous

triangular sink tidy (usu. used to strain waste)

horned

corner

trigoniid (any clam of family Trigoniidae)