taxiing

is likely misspelled.

has no English definition.

As a verb taxiing

is present participle of lang=en.

As a noun taxiing

is the movement of aircraft on the ground in readiness for takeoff or after landing.

As verbs the difference between taxiing and taxing

is that taxiing is present participle of lang=en while taxing is present participle of lang=en.

As nouns the difference between taxiing and taxing

is that taxiing is the movement of aircraft on the ground in readiness for takeoff or after landing while taxing is the act of imposing a tax.

As an adjective taxing is

with respect to an experience: exhausting; draining.