Artificial intelligent assistant

adderbolt

ˈadderbolt
  [f. adder + bolt the arrow of a cross-bow; from the shape of its body.]
  A dragon-fly.

1483 Caxton Gold. Leg. 57/2 The eygth our lord sente to them locustes which is a maner grete flye callyd in some place an adder bolte. 1664 Power Exp. Philos. i. 6 In the sloe-black eye of the Dragon-fly or Adderbolt. 1703 Petiver in Phil. Trans. XXIII. 1414 Here is figur'd a very uncommon Libella or Adderbolt.

Oxford English Dictionary

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