Noun

(en noun)

One who exercises control and direction of a military or naval organization.

A naval officer whose rank is above that of a lieutenant commander and below that of captain.

One who exercises control and direction over a group of persons.

A designation or rank in certain non-military organizations such as NASA and various police forces.

(obsolete) The chief officer of a commandry.

A heavy beetle or wooden mallet, used in paving, in sail lofts, etc.

A rank within an honorary order: e.g. Commander of the Legion of Honour.

Noun

(wikipedia sergeant) (en noun)

UK army rank with NATO code , senior to corporal and junior to warrant officer ranks.

The highest rank of noncommissioned officer in some non-naval military forces and police.

* {{quote-book, year=1928, author=Lawrence R. Bourne

, title=Well Tackled! , chapter=13 citation , passage=“Yes, there are two distinct sets of footprints, both wearing rubber shoes—one I think ordinary plimsolls, the other goloshes,” replied the sergeant .}}

(legal, historical) A lawyer of the highest rank, equivalent to the doctor of civil law.

(Blackstone)

(UK, historical)

sergeant surgeon, i.e. a servant, or attendant, surgeon

A fish, the cobia.