Weall-þrǽdBosworth & Toller Anglo-Saxon Old English Dictionary - weall-þrǽdAccording to the Old English Dictionary:es;weall-þrǽdm. A plumb-line:--Walðrǽd perpendicula, Wrt. Voc. ii. 91, 68.Related words: rihtung-þrǽd. weall-þræd