Lewis Short
(verb) : ob-lăquĕo, āre
* To dig about the roots of trees, etc. (cf. ablaqueo): arbores oblaqueatae sunt,Col. 2, 14, 3; Isid. Orig. 17, 5, 31.
* To surround, encircle, set (eccl. Lat.): argento gemmas oblaqueare,Tert. Res. Carn. 7.
Charlton T. Lewis, Charles Short, A Latin Dictionary