See Also: Krueger instrument stop(medicine)
Stop order (or stop)(finance)
Stop order (or stop)(money)
Instrument(money)
Instrument(medicine)
instrument(2)(dictionary)
instrument(dictionary)
instrument(1)(dictionary)
Underlying instrument(finance)
Exchangeable instrument(money)

aventail (iou) and Krueger instrument stop (medicine)


aventail (iou)



aventail noun. Also aventayle. ME.
[Anglo-Norman = (see A-7) Old French esventail air-hole, from esventer (mod. eventer), ult. from Latin EX-1 + ventus wind: see -AL1.]
Hist. The movable front or mouthpiece of a helmet, which may be raised to admit air. Cf. VENTAIL 2.

Krueger instrument stop (medicine)


Krueger instrument stop


A mechanical device limiting the insertion of a root canal instrument into a canal.