Smeá-wrenc
Bosworth & Toller Anglo-Saxon Old English Dictionary - smeá-wrenc
According to the Old English Dictionary:
es ;
- smeá-wrenc
- m. A crafty device, sharp trick :--Hé begeat mid his sméhwrencan and mid his golde and seolfre eall dyrnunga, ðæt him gewearð se þridda pænig of ðære tolne on Sandwíc, Chart. Th. 339, 8.