给定一个英文单词，查找它的定义和用法。
单词：synergy（协同作用）
Synergy refers to the interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects. It can also refer to the combined action of muscles, nerves, or organs in creating a particular bodily function or movement. An example of synergy would be two companies merging to create a stronger, more successful entity.