frog

1 :  any of various largely aquatic leaping anuran amphibians (such as ranids) that have slender bodies with smooth moist skin and strong long hind legs with webbed feet — compare toad

2 :  the triangular elastic horny pad in the middle of the sole of the foot of a horse — see hoof illustration

3a :  a loop attached to a belt to hold a weapon or toolb :  an ornamental braiding for fastening the front of a garment that consists of a button and a loop through which it passes

4 often capitalized, disparaging + offensive :  frenchman

5 :  a device permitting the wheels on one rail of a track to cross an intersecting rail

6 :  a condition in the throat that produces hoarseness had a frog in his throat

7 :  the nut of a violin bow

8 :  a small holder (as of metal, glass, or plastic) with perforations or spikes for holding flowers in place in a bowl or vase