1. By virtue of an office or position
   "the head of the department serves as an ex officio member of the board"

1. By virtue of position
   "the president sat on the committee ex officio"
   - by right of office

See also: official

Encyclopedia: Ex officio

• Oscar Wilde
• oscheocele
• oscheocoele
• eye doctor
• eye dropper
• eye infection
• eye mask
• eye movement
• eye muscle
• Eye of Ra
• eye opener
• eye operation
• eye rhyme
• eye socket
• eye surgery
• eye-beaming
• eye-catcher
• eye-catching
• eye-deceiving
• eye-lotion
• eye-popping
• eyeball
• eyebath
• eyebeam
• eyebolt