Lockchester

Obs. exc. dial. Also 5 lokecheste. [perh. f. LOOK v.¹ + CHEST + -ER¹, in allusion to the creature’s habit of rolling itself up tightly.] A woodlouse.

c. 1440.  Promp. Parv., 310/2. Locchester, wyrm. Ibid. (a. 1485), 316/2 (MS. S.). Lukchester, worm.

14[?].  Voc., in Wr.-Wülcker, 597/8. Multipes, a lokecheste, or a shrympe.

1847–78.  Halliwell, s.v. Lockchest, A gardener [in Oxfordshire] used to call the wood-louse lockchester.