The Collaborative International Dictionary of English v.0.48:

angina \an*gi"na\ ([a^]n*j[imac]"n[.a] or [a^]n"j[i^]*n[.a]), n.
   [L., fr. angere to strangle, to choke. See anger, n.]
   1. (Med.) Any inflammatory affection of the throat, as the
      quinsy, malignant sore throat, croup, etc., especially
      such as tends to produce suffocation, choking, or
      shortness of breath. [Obs.]
      [1913 Webster + AS]

   2. (Med.) Any spasmodic severe suffocative pain.
      [AS]

   3. (Med.) Angina pectoris.
      [AS]

   Angina pectoris ([a^]n*j[imac]"n[.a] p[e^]k"t[-o]*r[i^]s),
      Chest pain caused by myocardial ischemia precipitated by
      exertion and relieved by rest. It is so called because the
      pain is accompanied by a sense of suffocating contraction
      or tightening of the lower part of the chest; -- called
      also breast pang, spasm of the chest.
      [1913 Webster + AS]

The Collaborative International Dictionary of English v.0.48:

Breast \Breast\ (br[e^]st), n. [OE. brest, breost, As.
   bre['o]st; akin to Icel. brj[=o]st, Sw. br["o]st, Dan. bryst,
   Goth. brusts, OS. briost, D. borst, G. brust.]
   1. The fore part of the body, between the neck and the belly;
      the chest; as, the breast of a man or of a horse.
      [1913 Webster]

   2. Either one of the protuberant glands, situated on the
      front of the chest or thorax in the female of man and of
      some other mammalia, in which milk is secreted for the
      nourishment of the young; a mamma; a teat.
      [1913 Webster]

            My brother, that sucked the breasts of my mother.
                                                  --Cant. viii.
                                                  1.
      [1913 Webster]

   3. Anything resembling the human breast, or bosom; the front
      or forward part of anything; as, a chimney breast; a plow
      breast; the breast of a hill.
      [1913 Webster]

            Mountains on whose barren breast
            The laboring clouds do often rest.    --Milton.
      [1913 Webster]

   4. (Mining)
      (a) The face of a coal working.
      (b) The front of a furnace.
          [1913 Webster]

   5. The seat of consciousness; the repository of thought and
      self-consciousness, or of secrets; the seat of the
      affections and passions; the heart.
      [1913 Webster]

            He has a loyal breast.                --Shak.
      [1913 Webster]

   6. The power of singing; a musical voice; -- so called,
      probably, from the connection of the voice with the lungs,
      which lie within the breast. [Obs.]
      [1913 Webster]

            By my troth, the fool has an excellent breast.
                                                  --Shak.
      [1913 Webster]

   Breast drill, a portable drilling machine, provided with a
      breastplate, for forcing the drill against the work.

   Breast pang. See Angina pectoris, under Angina.

   To make a clean breast, to disclose the secrets which weigh
      upon one; to make full confession.
      [1913 Webster]