metrical foot, metrical unit, foot - a group of 2 or 3 syllables forming the basic unit of poetic rhythm

craniate, vertebrate - animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium

phalanx - any of the bones (or phalanges) of the fingers or toes

appendage, extremity, member - an external body part that projects from the body; "it is important to keep the extremities warm"

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

nail - horny plate covering and protecting part of the dorsal surface of the digits