n.
Pronunciation: ˌ ses-kw ə -p ə - ' d ā l-y ə n
Function: adjective
Etymology: Latin sesquipedalis, literally, a foot and a half longitude, from sesqui- + ped-, pes foot ― more at FOOT
Date: 1656
1 : having many syllables : LONG < sesquipedalian terms>
2 : given to or characterized by the use of long words <a sesquipedalian television commentator>