What is the meaning of Adnate?

Linked or fused to a structure of a type different from itself; for example, attachment of a stamen to a petal is adnate, while attachment of a stamen to another stamen is connate.

Growing with one side adherent to a stem; applied to the lateral zooids of corals and other compound animals. in fish, having the eyes fused and unable to rotate independently

second-person plural present active imperative of adnō

Source: wiktionary.org