- a petty, unimportant king
- any of several small Old World warblers (genus Regulus) with a bright-colored crown, as the golden-crowned kinglet (R. satrapa) of North America
Origin of kingletsee -let
- Any of several small grayish birds of the widely distributed genus Regulus, having a yellowish or reddish patch on the crown of the head.
- A king ruling a kingdom considered small or unimportant.
From king + -let.