[1] : The Collaborative International Dictionary of English v.0.48

interior \inte"rior\, a. l., compar. fr. inter between: cf.
   f. int'erieur. see inter-, and cf. intimate.
   1913 webster
   1. being within any limits, inclosure, or substance; inside;
      internal; inner; -- opposed to exterior, or
      superficial; as, the interior apartments of a house; the
      interior surface of a hollow ball.
      1913 webster

   2. remote from the limits, frontier, or shore; inland; as,
      the interior parts of a region or country.
      1913 webster

   interior angle geom., an angle formed between two sides,
      within any rectilinear figure, as a polygon, or between
      two parallel lines by these lines and another intersecting
      them; -- called also internal angle.

   interior planets astron., those planets within the orbit
      of the earth.

   interior screw, a screw cut on an interior surface, as in a
      nut; a female screw.

   syn: internal; inside; inner; inland; inward.
        1913 webster
see also:
inter- intimate exterior superficial interior angle internal angle 
interior planets interior screw 

[2] : WordNet (r) 2.0

interior angle
     n : the angle inside two adjacent sides of a polygon syn: internal
         angle
see also:
internal angle 

Angle >> A Words
Angle, definition of term: Angle
angle_pag1.html

Angle Bracket >> A Words
Angle Bracket, definition of term: Angle Bracket
angle+bracket_pag1.html

Angle Iron >> A Words
Angle Iron, definition of term: Angle Iron
angle+iron_pag1.html

Acute Angle >> A Words
Acute Angle, definition of term: Acute Angle
acute+angle_pag1.html

Dihedral Angle >> D Words
Dihedral Angle, definition of term: Dihedral Angle
dihedral+angle_pag1.html

Angle Of Attack >> A Words
Angle Of Attack, definition of term: Angle Of Attack
angle+of+attack_pag1.html

Angle Of Repose >> A Words
Angle Of Repose, definition of term: Angle Of Repose
angle+of+repose_pag1.html