“Definition lists vary only slightly from other types of lists in that list items consist of two parts: a term and a description. The term is given by the DT element and is restricted to inline content. The description is given with a DD element that contains block-level content.”

– From the W3C site

Basic Definition List

Aliquam

Commodo turpis turpis, a pretium est tincidunt eget.

Nullam

Porttitor urna ut turpis tempus, eget luctus eros facilisis.

Suspendisse

Posuere, tortor nec adipiscing pellentesque, dolor leo elementum diam, et tincidunt mi sapien eu velit.

  
Aliquam
  
Commodo turpis turpis, a pretium est tincidunt eget.
  
Nullam
  
Porttitor urna ut turpis tempus, eget luctus eros facilisis. 
  
Suspendisse
  
Posuere, tortor nec adipiscing pellentesque, dolor leo elementum diam, et tincidunt mi sapien eu velit.