From The Collaborative International Dictionary of English v.0.48:
Kevel \Kev"el\, n. [Prov. E. kevil, cavel, rod, pole, a large hammer, horse's bit; cf. Icel. kefli cylinder, a stick, mangle, and Dan. kievle a roller.] 1. (Naut.) A strong cleat to which large ropes are belayed. [1913 Webster]
2. A stone mason's hammer. [Written also cavil.] [1913 Webster]
Kevel head (Naut.), a projecting end of a timber, used as a kevel. Kevel
From The Collaborative International Dictionary of English v.0.48:
Cavil \Cav"il\ (k[a^]v"[i^]l), v. i. [imp. & p. p. Caviled or Cavilled; p. pr. & vb. n. Caviling or Cavilling.] [L. cavillari to practice jesting, to censure, fr. cavilla bantering jests, sophistry: cf. OF. caviller.] To raise captious and frivolous objections; to find fault without good reason. [1913 Webster]
You do not well in obstinacy To cavil in the course of this contract. --Shak. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Cavil \Cav"il\, v. t. To cavil at. [Obs.] --Milton. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Cavil \Cav"il\, n. A captious or frivolous objection. [1913 Webster]
All the cavils of prejudice and unbelief. --Shak. [1913 Webster] Caviler