os·cu·late /ˈɑskjəˌlet/
  (vt.)接吻,接觸(vi.)有共通點
  Os·cu·late v. t. [imp. & p. p. Osculated p. pr. & vb. n. Osculating.]
  1. To kiss.
  2. Geom. To touch closely, so as to have a common curvature at the point of contact. See Osculation, 2.
  Os·cu·late, v. i.
  1. To kiss one another; to kiss.
  2. Geom. To touch closely.  See Osculation, 2.
  3. Biol. To have characters in common with two genera or families, so as to form a connecting link between them; to interosculate. See Osculant.
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  osculate
       v 1: be intermediate between two taxonomic groups; "These species
            osculate"
       2: have at least three points in common with; "one curve
          osculates the other"; "these two surfaces osculate"
       3: touch with the lips or press the lips (against someone's
          mouth or other body part) as an expression of love,
          greeting, etc.; "The newly married couple kissed"; "She
          kissed her grandfather on the forehead when she entered
          the room" [syn: kiss, buss]