What does "abortive" mean?

Abortive: Made from the skin of a still-born animal; as, abortive vellum. [Obs.]

Additional senses

  1. 2.Rendering fruitless or ineffectual. [Obs.] "Plunged in that abortive gulf." Milton.
  2. 3.Coming to naught; failing in its effect; miscarrying; fruitless; unsuccessful; as, an abortive attempt. "An abortive enterprise." Prescott.
  3. 4.(Biol.) Imperfectly formed or developed; rudimentary; sterile; as, an abortive organ, stamen, ovule, etc.
  4. 5.(Med.) (a) Causing abortion; as, abortive medicines. Parr. (b) Cutting short; as, abortive treatment of typhoid fever.
  5. 6.That which is born or brought forth prematurely; an abortion. [Obs.] Shak.
  6. 7.A fruitless effort or issue. [Obs.]
  7. 8.A medicine to which is attributed the property of causing abortion. Dunglison.

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