crosier

noun

1. a staff with a crook at the top, carried by or before a bishop or abbot as a symbol of his pastoral function
2. Bot. fiddlehead (sense )

Origin: ME crocer < OFr crocier, bearer of a staff < croce, bishop's staff < ML crocia < Frank *krukja (akin to crutch); prob. infl. by assoc. with OFr croc, hook, hooked staff (< ON krōkr: see crook)