till (
http://definr.com/till)
n 1: unstratified soil deposited by a glacier; consists of sand
and clay and gravel and boulders mixed together [syn: {boulder
clay}]
2: a treasury for government funds [syn:
public treasury,
trough]
3: a strongbox for holding cash [syn:
cashbox,
money box]
v : work land as by ploughing, harrowing, and manuring, in order
to make it ready for cultivation; "till the soil"