1. (noun)till, boulder clay unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together
2. (noun)public treasury, trough, till a treasury for government funds
3. (verb)cashbox, money box, till a strongbox for holding cash
4. (verb)till work land as by ploughing, harrowing, and manuring, in order to make it ready for cultivation "till the soil"
Definitions of 'till'
Webster 1913 Dictionary
1. (noun)till a vetch; a tare
2. (noun)till a drawer
3. (noun)till a tray or drawer in a chest
4. (noun)till a money drawer in a shop or store
5. (noun)till a deposit of clay, sand, and gravel, without lamination, formed in a glacier valley by means of the waters derived from the melting glaciers; -- sometimes applied to alluvium of an upper river terrace, when not laminated, and appearing as if formed in the same manner
6. (noun)till a kind of coarse, obdurate land
7. till as far as; up to the place or degree that; especially, up to the time that; that is, to the time specified in the sentence or clause following; until
8. till to plow and prepare for seed, and to sow, dress, raise crops from, etc., to cultivate; as, to till the earth, a field, a farm
9. till to prepare; to get
10. (verb)till to; unto; up to; as far as; until; -- now used only in respect to time, but formerly, also, of place, degree, etc., and still so used in Scotland and in parts of England and Ireland; as, I worked till four o'clock; I will wait till next week
Definition of till 
