A conical chamber at the breech of the bore in heavy ordnance, especially in mortars.
An opponent in combat or in training.
An undesirable hospital patient, or a patient who does not need medical care.
A patient who does not respond to medical treatment.
A stupid, awkward, or oafish person.
An inept trainee or serviceperson.
A dirty, senile, or otherwise unpleasant patient.
Any similar plant having underground tubers.
A climbing vine, Apios americana, of eastern North America, having fragrant brownish flowers and small edible tubers.
The nutlike tuber of such a plant, especially peanuts.
A plant which bears its nutlike seeds underground, such as a peanut (Arachis hypogaea) or a Bambara groundnut (Vigna subterranea).