What does fl. dr, stand for?

fl. dr, stands for "fluid drachm"

How to abbreviate "fluid drachm"?

"fluid drachm" can be abbreviated as fl. dr,

What is the meaning of fl. dr, abbreviation?

The meaning of fl. dr, abbreviation is "fluid drachm"

What does fl. dr, mean?

fl. dr, as abbreviation means "fluid drachm"