apparatus(redirected from branchial apparatus)
Also found in: Dictionary, Thesaurus, Medical, Legal.
Related to branchial apparatus: branchial groove, branchial arch derivatives, Branchial pouches
1. a collection of instruments, machines, tools, parts, or other equipment used for a particular purpose
2. a machine having a specific function
3. Anatomy any group of organs having a specific function
(science and technology)
A compound instrument designed to carry out a specific function.