vi. （门闩等移动）发出嘎嘎声；（在下降等时）旋转
vt. 使旋转；使（门锁等）发出格格声
n. 旋转式车轮；（饮酒或舞蹈的）一个回合

Tirl \Tirl\, v. i. [Cf. {Twirl}, {Thirl}.] [Scot. & Prov. Eng.]
1. To quiver; to vibrate; to veer about.
[Webster 1913 Suppl.]

2. To make a ratting or clattering sound by twirling or
shaking; as, to tirl at the pin, or latch, of a door.
[Webster 1913 Suppl.]