Definition of "TD"

(American football, Canadian football) Abbreviation of touchdown.  examples

(neurology) Initialism of tardive dyskinesia.

(travel) Initialism of ticket designator.  examples

(video games) Initialism of tower defense.  examples

(handbells) Initialism of thumb damp.  examples

(Irish politics) Initialism of Teachta Dála, a member of Dáil Éireann, the lower chamber of the Parliament of the Republic of Ireland.  quotations  examples

(military) Initialism of Territorial Decoration (previously awarded to officers who had more than 12 years commissioned service in the Territorial Army (UK)).

Initialism of traveler's diarrhea.  examples

Initialism of typically developed.  examples

(machine learning) Initialism of temporal difference.  examples