Shahmukhi : لپّا
Meaning in English
piece of wood attached to another woodwork to ensure level or added strength; bayonet frog
Source: Punjabi Dictionary
LAPPÁ
Meaning in English2
s. m, piece spliced to a beam or other timbers; a piece laid on a crooked beam, to give a level surface; a part of a suhágá or drag.
Source:THE PANJABI DICTIONARY-Bhai Maya Singh