chelicera - either of the first pair of fang-like appendages near the mouth of an arachnid; often modified for grasping and piercing

mouthpart - any part of the mouth of an insect or other arthropod especially one adapted to a specific way of feeding

chela, nipper, pincer, claw - a structure like a pincer on the limb of a crustacean or other arthropods

parapodium - one of a pair of fleshy appendages of a polychete annelid that functions in locomotion and breathing

fin - organ of locomotion and balance in fishes and some other aquatic animals

pleopod, swimmeret - one of the paired abdominal appendages of certain aquatic crustaceans that function primarily for carrying the eggs in females and are usually adapted for swimming

external body part - any body part visible externally

limb - one of the jointed appendages of an animal used for locomotion or grasping: arm; leg; wing; flipper

pedal extremity, vertebrate foot - the extremity of the limb in vertebrates

dactyl, digit - a finger or toe in human beings or corresponding part in other vertebrates

adversity, hard knocks, hardship - a state of misfortune or affliction; "debt-ridden farmers struggling with adversity"; "a life of hardship"

bitter end - the final extremity (however unpleasant it may be); "he was determined to fight to the bitter end"

ultimacy, ultimateness - the state or degree of being ultimate; the final or most extreme in degree or size or time or distance, "the ultimacy of these social values"

boundary, bounds, bound - the line or plane indicating the limit or extent of something

end - either extremity of something that has length; "the end of the pier"; "she knotted the end of the thread"; "they rode to the end of the line"

extreme point, extremum, extreme - the point located farthest from the middle of something

limit - as far as something can go

region, part - the extended spatial location of something; "the farming regions of France"; "religions in all parts of the world"; "regions of outer space"

external body part - any body part visible externally

limb - one of the jointed appendages of an animal used for locomotion or grasping: arm; leg; wing; flipper

hand, manus, mitt, paw - the (prehensile) extremity of the superior limb; "he had the hands of a surgeon"; "he extended his mitt"

finger - any of the terminal members of the hand (sometimes excepting the thumb); "her fingers were long and thin"

toe - one of the digits of the foot