Definitions
1.nounA leading or drawing off of water from a stream or source.
2.nounThe act of receiving anything from a source; the act of procuring an effect from a cause, means, or condition, as profits from capital, conclusions or opinions from evidence.
3.noun(genealogy) The act of tracing origin or descent."the derivation of a word from an Indo-European root"
4.noun(grammar) Forming a new word by changing the base of another word or by adding affixes to it.
5.nounThe state or method of being derived; the relation of origin when established or asserted.
6.nounThat from which a thing is derived.
7.nounThat which is derived; a derivative; a deduction.
8.nounThe operation of deducing one function from another according to a fixed definition, referred to as derivation or differentiation; this is the inverse operation to integration.
9.nounA drawing of humors or fluids from one part of the body to another, to relieve or lessen a morbid process.