dial. [f. LEAM sb.3 or v.2 + -ER1.] A nut fully ripe. Chiefly in brown leamer, a nut with a brown husk.
1832. J. Wilson, in Blackw. Mag., XXXII. 126. Clusters of ripe nuts, which you can crack when you have gathered them, brown leamers every one.
1836. Garnett, in Q. Rev., Feb. Leemers, a north-country phrase for ripe nuts.
1855. Robinson, Whitby Gloss., Leamers, or ‘brown leamers,’ large filbert nuts.
