(rare) Bringing help.

One who offers an opinion.

(organic chemistry) An alkaloid found in small quantities in opium, identical with narcotine.

(chemistry) meconin

(organic chemistry) An organic acid obtained by the oxidation of narcotine.

plural of opilioacarid

(zoology) Any mite in the family Opilioacaridae.

(law, US) A judicial opinion that does not create precedent.

One's own opinion. / Exalted opinion of oneself; overweening estimate of oneself; self-conceit.

Used to introduce or qualify a statement, as expressing one's own view, not one backed by external authority or to be accepted without question