What is "coyer"

Usage examples of "coyer".

As to the coyer subtleties of the score, their discovery provides fresh interest for repeated hearings, giving The Ring a Beethovenian inexhaustibility and toughness of wear.

The coyer had flopped open to an epigraph on the first page of the 18th century tome, which read: Felix qui potuit rerum cognoscere causes.

This book is sold subject to the condition that it shall not, by way of trade or otherwise, be lent, re-sold, hired out or otherwise circulated in any form of binding or coyer other than that in which it is published and without a similar condition including this condition being imposed on the subsequent purchaser.