till

(noun) unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together. Synonyms: boulder clay.

(noun) a treasury for government funds. Synonyms: public treasury, trough.

(noun) a strongbox for holding cash. Synonyms: cashbox, money box.

(verb) work land as by ploughing, harrowing, and manuring, in order to make it ready for cultivation. Example: "Till the soil."