lasso
1. las.so \'las-(.)o-, la-'su:\ n or lassos or lassoes [Sp lazo, fr. L laqueus snare - more at DELIGHT] pl : a rope or long throng of leather with a running noose that is used esp. for catching horses and cattle : LARIAT 2. lasso vt : to catch with or as if with a lasso : ROPE - las.so.er n