(redirected from duck's arse)
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
Related to duck's arse: ducktail
Note: This page may contain terms or definitions that are offensive or inappropriate for some readers.


Abbreviation for developmental apraxia of speech.




A deadly toxin derived from Fusarium species. DAS may grow on and contaminate cereals and other stored crops and can be toxic to fungi, plants, and animals (including humans). It has been used in the past in chemotherapy and can be used as an agent of biological or chemical warfare.
Synonym: anguidine

Dopamine receptor antagonists (DAs)

The older class of antipsychotic medications, also called neuroleptics. These primarily block the site on nerve cells that normally receive the brain chemical dopamine.
Mentioned in: Schizophrenia