Main Entry: ¹lat·er·al

Pronunciation: \ˈla-tə-rəl also ˈla-trəl\

Function: adjective

Etymology: Middle English laterale, from Latin lateralis, from later-, latus side

Date: 15th century

1 : of or relating to the side
2 : situated on, directed toward, or coming from the side
3 : extending from side to side <the lateral axis of an airplane>
4 : produced with passage of breath around the side of a constriction formed with the tongue <\l\ is lateral>

— lat·er·al·ly adverb