simple past tense and past participle of hay

plural of haying

A surname.

(historical) The Motion Picture Production Code, a set of moral guidelines for motion pictures in the United States; it was in force from 1930 to 1968.

plural of salt hay

One of 254 counties in Texas, United States. County seat: San Marcos.

plural of meadow hay

plural of salt marsh hay

(pathology, immunology) An allergy to the pollen of grass or other plants that causes symptoms similar to those of a cold; pollinosis.

(idiomatic) To go to bed.