calx noun. [kalks] Pl. calces ['kalsi:z], calxes. LME.
[Latin calx, calc- lime, prob. from Greek khalix pebble, limestone.]
1. A powder or friable substance produced by roasting or burning a mineral or metal, formerly taken as the essence of the mineral. arch. LME.

2. Orig. more fully calx vive. Quicklime. arch. LME.

3. The area behind goal-line in the Eton College wall game. M19.

[TahlilGaran] English Dictionary ▲