The cap or coupling of a flail, through which the thongs pass that connect the handle and swingel.
planch
planch
noun
(obsolete) A plank.
verb
(obsolete, transitive) To make or cover with planks or boards.
planck
planck
Noun
Used attributively in the names of various units, formulae etc. first devised or worked on by the German physicist (1858–1947), chiefly in the realm of quantum theory.
