Lewis Short
(verb) : ăd-allĭgo, āre, 1, (double ad, as in adaggero)
* To bind to, to fasten to, to attach: uncum (ad arborem),Plin. 17, 23, 35, § 211: radices,id. 20, 21, 84, § 225: vermiculos bracchio,id. 27, 10, 62, § 89.
Charlton T. Lewis, Charles Short, A Latin Dictionary