Definition of "ESA"

(US) Initialism of environmental site assessment.  examples

(pharmacology) Initialism of erythropoiesis-stimulating agent.

Abbreviation of emotional support animal.  examples

Abbreviation of electronically steered array.  examples

(space science) Initialism of European Space Agency.  examples

(software) Initialism of Entertainment Software Association.  examples

(US, ecology) Initialism of Ecological Society of America.

Initialism of Epigraphic South Arabian.  examples