(pathology) An obstruction of the nasal cavity that reduces the flow of the air, regardless of the cause.

(medicine) To induce severe constipation through an intestinal blockage / (rare) To become or cause to become blocked up

impeded or plagued by obstacles.

(medicine) In terms of obstetrics

plural of chronic obstructive pulmonary disease

(law) Interference with the administration of law and justice, as by ignorance of a justification, fraud of evidential validity, or not disclosing discovery of facts, or by doing damage to a witness, officer, juror.

Abbreviation of obstetrics.

plural of obstinacy

stubbornness

(obsolete) To assist in the manner or as if in the manner of a midwife.