A joint or point of connection between bones or segments, especially used in anatomical or zoological contexts.
Latin 'articulus' meaning joint or limb, derived from 'artus' (tight, fitted). The word appears in English scientific terminology, especially anatomy, maintaining its original Latin meaning about connections.
The Latin word 'articulus' is the ancestor of 'article,' 'articulate,' and 'artillery'—all descended from the idea of pieces fitting together or being connected, showing how one root word branched into completely different meanings.
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