Dependant \De*pend"ant\, Dependance \De*pend"ance\, n., Dependancy \De*pend"an*cy\, n. See Dependent, Dependence, Dependency. [1913 Webster]

Note: The forms dependant, dependance, dependancy are from the French; the forms dependent, etc., are from the Latin. Some authorities give preference to the form dependant when the word is a noun, thus distinguishing it from the adjective, usually written dependent. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

dependant adj
1: contingent on something else [syn: dependent, qualified]
2: addicted to a drug [syn: dependent, drug-addicted, hooked, strung-out]

noun

a person who relies on another person for support (especially financial support) [syn: dependent]

Source: WordNet (r) 2.0
 

Dependant \De*pend"ant\, Dependance \De*pend"ance\, n., Dependancy \De*pend"an*cy\, n. See Dependent, Dependence, Dependency.

Note: The forms dependant, dependance, dependancy are from the French; the forms dependent, etc., are from the Latin. Some authorities give preference to the form dependant when the word is a noun, thus distinguishing it from the adjective, usually written dependent.

Source: Webster's Revised Unabridged Dictionary (1913)