n. [ L. appulsus, fr. appellere, appulsum, to drive to; ad + pellere to drive: cf. F. appulse. ] 1. A driving or running towards; approach; impulse; also, the act of striking against. [ 1913 Webster ]

In all consonants there is an appulse of the organs. Holder. [ 1913 Webster ]

2. (Astron.) 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. [ 1913 Webster ]