sit-fast noun & adjective. ['sɪtfɑ:st] Also sitfast. E17.
[from SIT verb + FAST adverb.]
A. noun.
1. Farriery. A hard excrescence tending to ulceration, produced on the back of a horse by the pressure or chafing of a saddle, or by the presence of a warble. E17.
b. A hard substance in a wound which prevents healing. dial. E19.

2. Any of several weeds with tenacious roots, esp. creeping buttercup, Ranunculus repens, and rest-harrow, Ononis repens. Scot. M18.
b. adjective.
1. Of a stone: firmly embedded in the ground. Scot. E19.

2. gen. Fixed, firm. E19.

[TahlilGaran] English Dictionary ▲