What does Old stand for?

Oldradus da Ponte de Laude - Deceased, 1335 - Authority cited in pre-1607 legal work (DSA)

Oldright's Nova Scotia Reports - A publication (DLA)

Mochi - Language code (ETLW)

Obstructive Lung Disease - Medicine (DMAA)

Odd Lot Dealer

Office of Legislative Development - Bureau of Indian Affairs

Ohio Lower Court Decisions - A publication (DLA)

Old Town, ME - Location identifier - FAA (FAAL)

Old World Craftsmen, Garrett, IN - Manufacturer code for watercraft hull identification number (USCG)

Online Debug - Computer science (IAA)

On-Line Tests and Diagnostics - Environmental science (COE)

Onsite Licensing Office (SAUS)

Open-Loop Damping

Open Loop Drive (SAUS)

Operating Level Days

Operations and Liquidations Division - Federal Savings and Loans Insurance Corporation

Oral Lethal Dose - Medicine

Orthochromatic Leukodystrophy - Medicine (DMAA)

Ototoxic Labyrinthine Damage - Medicine (EDAA)

Our Lady of Deliverance Syriac, Union City - Diocesan abbreviation - New Jersey (TOCD)

Oxford Latin Dictionary - A publication