1) Arm 2) Foreleg 1) Flipper 2) Flipper or wing 3) Front appendage 4) Limb 5) The front limb 6) Wing or flipper 
A forelimb is an anterior limb (arm, leg, or similar appendage) on a terrestrial vertebrate`s body. For quadrupeds, the term foreleg is often used instead. (A forearm however is the part of the arm or forelimb between the elbow and the wrist.) All vertebrate forelimbs are homologous, meaning that they all evolved from the same structures. For exa....
(from the article `penguin`) ...as plantigrade (i.e., on the soles). The sole comprises the whole foot instead of just the toes, as in other birds. The most notable ... ...to about 8 metres (26 feet) and up to several tons in maximum weight. Many of these animals are known from very complete skeletons (especially the ... The forelimb...
A front limb of a quadruped. ... (12 Dec 1998) ... 
[n] - the front limb (or homologous structure in other animals such as a flipper or wing)
noun the front limb (or homologous structure in other animals such as a flipper or wing)
a front limb of an animal.