What does lub stand for?

Luba - MARC language code - Library of Congress (LCCP)

Least - or Lowest Upper Bound

Left Upper Lobe Bronchus - Anatomy

Logical Unit Block - Computer science

Luba-Kasai - Language code (ETLW)

Luba-Katanga - GeoNet three-character language code (GEON)

Lubbock - Texas - Seismograph station code, US Geological Survey (SEIS)

Lubricant (WDAA)

Lubricate - or Lubrication (AAG)

Luby's Cafeterias - NYSE symbol

Luby's Cafeterias, Inc. - NYSE symbol (SPSG)

Luby's Inc. - NYSE symbol

Lusiana - Czechoslovakia - ICAO designator (FAAC)

Unicorn Boat Shop, Oyster Bay, NY - Manufacturer code for watercraft hull identification number (USCG)