Latin, meaning: to vomit, vomit forth, throw up. 
• (n.) The yellow fever in its worst form, when it is usually attended with black vomit. See Black vomit.
Vo·mi'to noun [ Spanish vómito , from Latin vomitus . See Vomit , noun ] (Medicine) The yellow fever in its worst form, when it is usually attended with black vomit. See Black vomit .