What is the meaning of Fistula?

An abnormal connection or passageway between organs or vessels that normally do not connect.

A tube, a pipe, or a hole.

The tube through which the wine of the Eucharist was once sucked from the chalice in certain ceremonies (such as papal Masses).

fistula (abnormal connection or passageway between organs or vessels)

fistula (thin tube or pipe, especially a metallic straw used to sip sacramental wine)

pipe, tube, especially a water pipe

hollow reed or cane

shepherd's pipe, pipes of Pan

fistula, ulcer

catheter

shoemaker's punch

a kind of hand mill for grinding grain

golden shower (Cassia fistula)

definite nominative/accusative singular of fistulă

fistula

fistula

Source: wiktionary.org