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

This year, Chinese researchers unveiled a robotic manta ray powered by muscle taken from a frog and steered with light. — New Atlas, 3 Oct. 2026

Too many overlapping signals create a challenge for the frogs’ perceptual systems. — Claire Therese Hemingway, The Conversation, 1 Oct. 2026

OpenAI said Dots can be customized, sharing examples of green Dots that look like frogs, as well as yellow, pink, and blue Dots in varying cutesy forms. — Alexei Oreskovic, Fortune, 30 Sep. 2026

Those details can help scientists trace traits associated with frogs and salamanders much further back in time. — Ashley Vega, PEOPLE, 29 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