Meaning

noun the scene of any event or action (especially the place of a meeting)

noun the specific site of a particular gene on its chromosome

noun the set of all points or lines that satisfy or are determined by specific conditions

originEtymology tree Proto-Indo-European *stel-der. Proto-Italic *stlokos? Old Latin stlocus Latin locuslbor. English locus Learned borrowing from Latin locus. Doublet of lieu.

Etymology from Wiktionary, CC BY-SA 3.0