Obs. [f. WAGTAIL sb.] intr. To flutter.
1606. Sylvester, Du Bartas, II. IV. I. Tropheis, 137. Even as a paire of busie chattering Pies feel a chill fear, From bush to bush, wag-tayling here and there.
c. 1620. Z. Boyd, Zions Flowers (1855), 118. From bush to bush they in a panick feare, Wagtayling goe.