dr.

1. alternativeAlternative form of Dr (debitor)
2. abbreviationAbbreviation of drachm (“dram”).

plural Drs.

1. alternativeAlternative form of Dr: abbreviation of doctor.

   By EDWARD CHAMBERLAYNE Dr. of Laws, and Fellow of the Royal Society.

   1671, Edward Chamberlayne, The Second Part of the Present State of England: […], 3rd edition, London: […] T[homas] N[ewcomb] for J[ohn] Martyn, […], →OCLC, title page

   3 more examples

   It appears that Drs. Jones and Freeman account for the arch over the hagioscope at St. David's by saying, though without citing authorities, that there was a door there originally.

   1886, Miss M. A. R. Tucker, “St. David's”, in Walford's Antiquarian: A Magazine & Bibliographical Review

   Pass the chalk. Dr. Levine was there with a friend and fellow psychiatrist (detect a pattern?), Alexa Albert, Coco’s mother, who squinted up into the sun as her daughter effortlessly sailed skyward. Dr. Albert is an acrophobe.

   2009 July 19, Lizette Alvarez, “Whee! Also, There’s a Net”, in The New York Times, archived from the original on 26 Nov 2022

   A widely shared local television video of last week's news conference, which was posted on YouTube, reached more than 5 million views and was amplified by Elon Musk and Fox News, where Dr. Dan Erickson and Dr. Artin Massihi appeared on primetime shows two nights in a row. […] "As owners of local urgent care clinics, it appears these two individuals are releasing biased, non-peer reviewed data to advance their personal financial interests without regard for the public's health," the statement read, "COVID-19 misinformation is widespread and dangerous. Members of ACEP and AAEM are first-hand witnesses to the human toll that COVID-19 is taking on our communities. ACEP and AAEM strongly advise against using any statements of Drs. Erickson and Massihi as a basis for policy and decision making."

   2020 April 29, Anna-Maja Rappard, “Dubious coronavirus claims by California doctors condemned by health experts”, in CNN, archived from the original on 30 Apr 2020

2. abbreviationAbbreviation of drive, a type of public roadway, when part of a specific street’s name.