Description:

The <dfn> tag is used for indicating a definition. The dfn tag surrounds the word/term being defined.

Example Code:
<dfn>Definition</dfn>: To define the meaning of a word, phrase or term.
Result:
Definition: To define the meaning of a word, phrase or term.
Attributes:

None

Global Attributes:

The <dfn> tag also supports the Global Attributes in HTML5

Event Attributes:

The <dfn> tag also supports the Event Attributes in HTML5