Main Entry: es·quire
Pronunciation: 'es-"kwIr, is-'
Function: noun
Etymology: Middle English, from Middle French escuier squire, from Late Latin scutarius, from Latin scutum shield; akin to Old Irish sciath shield
Date: 15th century
1 : a member of the English gentry ranking below a knight
2 : a candidate for knighthood serving as shield bearer and attendant to a knight
3 -- used as a title of courtesy usually placed in its abbreviated form after the surname <John R. Smith, Esq.>
4 archaic : a landed proprietor