[plan-shet, -chet] 
| a small, heart-shaped board supported by two casters and a pencil or stylus that, when moved across a surface by the light, unguided pressure of the fingertips, is supposed to trace meaningful patterns or written messages revealing subconscious thoughts, psychic phenomena, clairvoyant messages, etc. |
| plan·chette (plān-shět') n. A small triangular board supported by two casters and a vertical pencil that, when lightly touched by the fingertips, is said to spell out subconscious or supernatural messages. [French, from Old French, diminutive of planche, board; see planchet.] |
