Fidelity to one's lord or master; the feudal obligation by which the tenant or vassal was bound to be faithful to his lord. / The oath by which this obligation was assumed.

Third-person singular simple present indicative form of caper

plural of cyanobiphenyl

(obsolete) A hearer; a member of an audience / (obsolete, specifically) A catechumen (“convert to Christianity under instruction before baptism”) in the early Christian Church.