Dictionary

protrusion

noun pro·tru·sion \prō-ˈtrü-zhən\

: a part that sticks out

: the act of sticking out or the condition of something that sticks out

Full Definition of PROTRUSION

1
:  the act of protruding :  the state of being protruded
2
:  something (as an anatomical part or excrescence) that protrudes

Examples of PROTRUSION

  1. bony protrusions on the outside of the elbow
  2. a roof with many protrusions
  3. The pain was caused by a protrusion of a disc in his lower back.

Origin of PROTRUSION

Latin protrudere
First Known Use: 1646

protrusion

noun pro·tru·sion \prō-ˈtrü-zhən\   (Medical Dictionary)

Medical Definition of PROTRUSION

1
:  the quality or state of protruding <the protrusion of a jaw>
2
:  something (as an anatomical part) that protrudes

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