a. [f. SWIRL sb. + -Y.] Twisted; knotty, gnarled (cf. SWIRL sb. 3).
1785. Burns, Halloween, xxiii. A swirlie, auld moss-oak.
1825. Jamieson, Swirlie..., entangled; applied to grass that lies in various positions, so that it cannot be easily cut by the scythe.
1828. P. Cunningham, N. S. Wales (ed. 3), II. 165. The swirly bark always denoting a swirly fibre in the wood.