vomica

noun, plural vom·i·cae [vom–uh-see] /ˈvɒm əˌsi/. Pathology.

1. a cavity, usually in the lungs, containing pus.
2. the pus content of such a cavity.

n.

1. Profuse expectoration of putrid matter.
2. An abnormal pus-containing cavity, usually in a lung, caused by deterioration of tissue.
3. The pus contained in such a cavity.