slipesten
SliipenTeutonico, acuere. Teloneum S. Audomari in Tabulario S. Bertini :
Lapis molaris 2. den. Slipesten 2. den. si autem unus molaris, sive in curru, sive in carro portetur, dabit 2. den. etc.
Sliipsteen. Charta Phil. comit. ann. 1163. in Chartul. 1. Fland. ch. 325. ex Cam. Comput. Insul. :
De lapide, qui dicitur Slippesteen, quatuor denarios.