noun
(historical units of measure, archaic) Alternative form of omer: a former Hebrew unit of dry volume equal to about 2.3 L or 2.1 quarts.
noun
A conical chamber at the breech of the bore in heavy ordnance, especially in mortars.
noun
(slang, derogatory) A stupid, awkward, or oafish person.
(US, military slang, derogatory) An inept trainee or serviceperson.
(US, military slang) An opponent in combat or in training.
noun
(medical slang, derogatory) An undesirable hospital patient, or a patient who does not need medical care.
(slang, derogatory) A dirty, senile, or otherwise unpleasant patient.
(slang, informal) A patient who does not respond to medical treatment.