frog

noun

ˈfrȯg 

ˈfräg

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

3

a

: a loop attached to a belt to hold a weapon or tool

b

: an ornamental braiding for fastening the front of a garment that consists of a button and a loop through which it passes

4

often Frog 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

Examples of frog in a Sentence

Recent Examples on the Web

Riparian habitats, like creeks flowing through canyons, are home to sensitive creatures including California newts, frogs and toads. — Jaclyn Cosgrove, Los Angeles Times, 17 Sep. 2026

In 1958 British biologist John Gurdon showed that the nucleus from a cell in a tadpole could be transplanted into an egg cell to create an entirely new frog. — Venki Ramakrishnan, Scientific American, 15 Sep. 2026

Other vipers are known to flick their tails, especially baby vipers with bright green or neon yellow tail tips that might appear like a wiggly worm to unsuspecting frogs. — Ashley Strickland, CNN Money, 11 Sep. 2026

There are snakes and frogs, turtles and fish, even a chameleon. — Bo Evans, CBS News, 10 Sep. 2026

Word History

Etymology

Middle English frogge, from Old English frogga; akin to Old High German frosk frog; senses 2, 3, 5, 7, 8 unclearly derived & perhaps of distinct origin

First Known Use

before the 12th century, in the meaning defined at sense 1

Phrases Containing frog

• African clawed frog
• clawed frog
• frog kick
• frog-march
• frog spit
• have a frog in one's throat
• leopard frog
• poison dart frog
• tree frog
• wood frog

Rhymes for frog

• blog
• bog
• clog
• cog
• dog
• flog
• fog
• grog
• hog
• jog
• log
• og

Kids Definition

frog

noun

ˈfrȯg 

ˈfräg

1

a

: any of various tailless leaping amphibians that have slender bodies with smooth moist skin and strong long hind legs with webbed feet and that spend more of their time in the water than the related toads

b

: a hoarse condition

have a frog in one's throat

2

: an ornamental fastening for a garment (as a jacket)

Medical Definition

frog

noun

ˈfrȯg, ˈfräg 

1

: any of various smooth-skinned web-footed largely aquatic tailless agile leaping amphibians (as of the suborder Diplasiocoela)

2

: the triangular elastic horny pad in the middle of the sole of the foot of a horse

3

: a condition in the throat that produces hoarseness

had a frog in his throat