cartilage

noun

car·​ti·​lage ˈkär-tə-lij 

ˈkärt-lij

1

: a usually translucent (see translucent sense 1) somewhat elastic tissue that composes most of the skeleton of vertebrate embryos and except for a small number of structures (such as some joints, respiratory passages, and the external ear) is replaced by bone during ossification in the higher vertebrates

2

: a part or structure composed of cartilage

Examples of cartilage in a Sentence

She fell and damaged some cartilage in her knee.

Recent Examples on the Web

The faux snug pairs a conch with a helix or double-helix piercing, while the faux rook is one piercing in the upper inner cartilage with a dangle or drop-style jewelry to mimic the look of a traditional rook piercing. —Marianne Mychaskiw, Allure, 24 Jan. 2026

In colder temperatures, the fluid can become thicker, which may reduce how easily cartilage surfaces glide against each other. —Miriam Fauzia, Dallas Morning News, 23 Jan. 2026

Doctors diagnosed a torn lateral medial meniscus with additional damage to cartilage behind the knee. —Matt Le Cren, Chicago Tribune, 22 Jan. 2026

Picking up a drumstick and gnawing it clean, past the cartilage and down to the bone, was accepted without a second look. —Literary Hub, 20 Jan. 2026

Word History

Etymology

Middle English, from Latin cartilagin-, cartilago

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing cartilage

• corniculate cartilage
• hyaline cartilage

Kids Definition

cartilage

noun

car·​ti·​lage ˈkärt-ᵊl-ij 

ˈkärt-lij

1

: an elastic tissue which composes most of the skeleton of the vertebrate embryo and much of which is changed to bone later in life

2

: a part or structure composed of cartilage

Medical Definition

cartilage

noun

car·​ti·​lage ˈkärt-ᵊl-ij, ˈkärt-lij 

1

: a usually translucent somewhat elastic tissue that composes most of the skeleton of vertebrate embryos and except for a small number of structures (as some joints, respiratory passages, and the external ear) is replaced by bone during ossification in the higher vertebrates

2

: a part or structure composed of cartilage