'conditioner' definitions:

Definition of 'conditioner'

From: WordNet
noun
Exercise that conditions the body; "farm work can be a good conditioner"
noun
A trainer of athletes
noun
A substance used in washing (clothing or hair) to make things softer

Definition of 'conditioner'

From: GCIDE
  • conditioner \conditioner\ n.
  • 1. exercise that conditions the body; as, farmwork can be a good conditioner. [WordNet 1.5]
  • 2. a trainer of athletes. [WordNet 1.5]
  • 3. a substance used in washing (clothing or hair) to make things softer. [WordNet 1.5]