recourse

Short definition from Wiktionary

Noun

1. 1
   The act of seeking assistance or advice.
2. 2
   The use of (someone or something) as a source of help in a difficult situation.
3. 3
   A coursing back, or coursing again; renewed course; return; retreat; recurrence.
4. 4
   Access; admittance.

Verb

1. 1
   To return; to recur.
2. 2
   To have recourse; to resort.