cardia
1 of 2noun
car·dia ˈkär-dē-ə 
plural cardiae ˈkär-dē-ˌē or cardias
or cardias : the opening of the esophagus into the stomach
also : the part of the stomach adjoining this opening
-cardia
2 of 2noun combining form
: heart action or location (of a specified type)
tachycardia
Word History
Etymology
Noun
New Latin, from Greek kardia heart, upper orifice of the stomach
Noun combining form
New Latin, from Greek kardia
First Known Use
Noun
1632, in the meaning defined above
Medical Definition
cardia
noun
car·dia ˈkärd-ē-ə
plural cardiae -ē-ˌē or cardias
or cardias 1
: the opening of the esophagus into the stomach
2
: the part of the stomach adjoining the cardia