1. a hooked staff carried by a bishop as a symbol of pastoral office.
2. the curled top of a young fern.
Word OriginMiddle English (originally denoting the person who carried a processional cross in front of an archbishop): partly from Old French croisier ‘cross-bearer’, from crois ‘cross’, based on Latin crux; reinforced by Old French crocier ‘bearer of a bishop's crook’, from croce (see crosse).