triangle;  triangular shape
 many-sided;  versatile;  polygonal;  diversified
 stew of cubed meat or fish (esp. pork belly or tuna)
 half-width characters (e.g. romaji);  single-byte characters;  en quad
 blind spot (e.g. of a driver);  dead angle;  dead ground;  dead space
 squared timber;  rectangular lumber
 interior angle;  internal angle;  inside corner
 external angle;  exterior angle;  outside corner
 polygonal (esp. square) pillar
 em;  em quad (printing);  full-width character
 square shape;  oblong;  rectangle
 keratin;  corneum;  cuticle;  collagen;  horny substance
 mortarboard;  trencher;  (square) academic cap formerly worn by Japanese university students
 angle of view (photography)
 polygon;  -gon;  Japanese rectangular envelope (opening on the short side)
 corner;  sharp corner;  dihedral angle
 shogi game with the superior player playing without the kaku
 viewing angle;  viewing direction
 declination;  angle of deviation;  argument (of complex number)
 horned;  horn-shaped;  hornlike;  corneous;  corniculate
 trifling (fight);  (a conflict) between small countries
 square seal (companies, etc.)
 square bread;  Pullman loaf;  sandwich loaf;  bread
 keratinization;  cornification
 concave angle;  (a) re-entrant
 large square winter shawl
 angle of projection or incidence
 two places being far apart
 law of conservation of angular momentum
 pink eye;  epidemic keratoconjunctivitis
 angular gyrus;  angular convolution
 (angle of) optical rotation
 equal angles;  conformal;  isometric;  equiangular
 angle of shearing resistance
 type of lettering consisting of thick vertical and horizontal lines which is often used in seals
 comparison of strength;  contest of strength;  sumo
 angle at the circumference;  circumferential angle;  inscribed angle
 anomaly;  angular distance of a planet from its perihelion as seen from the sun
 angle of friction;  frictional angle
 arc second;  arcsecond;  second of arc
 flat back (book spine);  square back