pintle(n = noun.artifact) Array - a pin or bolt forming the pivot of a hinge; Array
is a kind of pin, pivot
is a part of flexible joint, hinge
1. A little pin. [1913 Webster]
2. An upright pivot pin [1913 Webster]
pintle, n. a pin or bolt, esp. one on which some other part turns.
Etymology:
OE pintel penis, of unkn. orig.: cf. OFris. etc. pint