narrower|ˈnærəʊə(r)| [f. as prec. + -er1.] One who, or that which, narrows or contracts. 1753Richardson Grandison III. xxi. 192, I do aver..that Love is a narrower of the heart.1790G. Walker Serm. II. xxxi. 419 Half-taught philosophers..may reprobate it as the narrower of a christian's heart.