rare1. = QUICKEN sb.2 So also Quickening-grass.
1765. Museum Rusticum, IV. 454. Stones, quickenings, and every other thing that may hinder the growth of the flax, should be removed. Ibid., 456. Quickening grass should not be taken up.
1765. A. Dickson, Treat. Agric. (ed. 2), 106. Of the first sort is the quickening-grass, or couch-grass.