templet, n. [LL. templatus vaulted, from L. templum a small timber.].
A gauge, pattern, or mold, commonly a thin plate or board, used as a guide to the form of the work to be executed; as, a mason's or a wheelwright's templet. [1913 Webster]
A short piece of timber, iron, or stone, placed in a wall under a girder or other beam, to distribute the weight or pressure. [1913 Webster]