A 'forelimb'.
what is the three letter word for limb used for walking
orthosis
The answer for upper limb is almost always "arm." Was the clue plural?
An arm or a leg are three letter words for limbs.
limb, twig
Eight letter word is "response"
Landlord is an eight letter word for innkeeper.
An eight letter word with x as a second letter is exciting.
'Moisture' is an eight-letter word meaning wetness.
An eight letter word for wealthy is affluent.
There are no eight-letter palindromes in English.
Here are a couple: diet, dime, lime, time, fine, and limb.