The Collaborative International Dictionary of English v.0.48:

Pipette \Pi*pette"\, n. [F., dim. of pipe.]
   A small glass tube, often with an enlargement or bulb in the
   middle, and usually graduated, -- used for transferring or
   delivering measured quantities.
   [1913 Webster]

WordNet (r) 3.0 (2006):

pipette
    n 1: measuring instrument consisting of a graduated glass tube
         used to measure or transfer precise volumes of a liquid by
         drawing the liquid up into the tube [syn: pipet,
         pipette]