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Entry 2 senses Webster, 1913

Appulse

· Ap·pulse · IPA /ˈæp.əls/
01 n. A driving or running towards; approach; impulse; also, the act of striking against.
  1. 1.
    A driving or running towards; approach; impulse; also, the act of striking against.
    “In all consonants there is an appulse of the organs.” — Holder.
  2. 2.
    The near approach of one heavenly body to another, or to the meridian; a coming into conjunction; as, the appulse of the moon to a star, or of a star to the meridian.(Astron.)