The term DELT NEIGHBOR is composed of three crossword solutions: ABS (3 letters), LAT (3 letters), and PEC (3 letters). ABS stands for the Latin word 'abscissa, ' which is a line on a graph that is measured horizontally. LAT stands for the Latin word 'LATITUDE, ' which is the angular distance north or south from the equator. PEC stands for the Latin word 'pectus, ' which means chest or breastbone. Together, these three words form the phrase DELT NEIGHBOR, which refers to the Delta region in the United States, which is located in the southeastern part of the country.