Definitions from Wiktionary ( )

▸ adjective:  (obsolete) Produced by abortion; born prematurely and therefore unnatural.
▸ adjective:  Coming to nothing; failing in its effect. .
▸ adjective:  (biology) Imperfectly formed or developed; rudimentary; sterile.
▸ adjective:  (medicine, pharmacology, rare) Causing abortion; abortifacient.
▸ adjective:  (medicine) Cutting short; acting to halt or slow the progress (of a disease).
▸ adjective:  (medicine, of a disease) Having a short and mild progression, without pronounced symptoms.
▸ adjective:  Made from the skin of a still-born animal.
▸ noun:  (obsolete) Someone or something born or brought forth prematurely; an abortion.
▸ noun:  (obsolete) A fruitless effort.
▸ noun:  (obsolete) A medicine that causes abortion, an abortifacient.
▸ noun:  (obsolete) A medicine or treatment acting to halt or slow the progress of a disease.
▸ verb:  (transitive, obsolete) To cause an abortion; to render without fruit.

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