What is the meaning of Dr.?

Alternative form of Dr (debitor)

Abbreviation of drachm (“dram”).

abbreviation of doktor (“physician, doctorate-haver”)

abbreviation of dronning (“queen”)

abbreviation of doctor (“doctor”)

Dr (doctor)

abbreviation of dokter (“doctor, physician”)

abbreviation of daktaras

Dr (doctor)

abbreviation of doktor (“doctor”)

Source: wiktionary.org