from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. Last; last past; next before; of or pertaining to yesterday.
from the GNU version of the Collaborative International Dictionary of English
- adj. Last; last past; next before; of or pertaining to yesterday.
from The Century Dictionary and Cyclopedia
- n. Belonging to the day preceding the present; next before the present: used in the compounds given below, and rarely, by license, as a quasi-adjective.
Middle English, from Old English geostran ("yesterday") (Wiktionary)