taxi
1. taxi \'tak-se-\ \-se-z\ n or tax.is also tax.ies pl : TAXICAB; also : a similarly operated boat or airplane 2. taxi vb or tax.ied; or taxi.ing; or taxy.ing or tax.is or tax.ies 1: to ride in a taxicab of an airplane 2a: to go at low speed along the surface of the ground or water (as when m aneuvering into position for takeoff or parking) 2b: to operate an airplane on the ground under its own power 1: to transport by taxi 2: to cause (an airplane) to taxi