natator
noun
na·ta·tor
ˈnātətə(r)
plural -s
: swimmer
the first woman natator to negotiate the … passage 
Emporia (Kansas) Gazette
Emporia (Kansas) Gazette
Word History
Etymology
Latin, from natatus + -or
- in reason
- in record numbers
- in record time
- in reference to
- in regard to
- in regular use
- in rehearsal
- in relation to
- in rem
- in remission
- in repose
- in req
- in rerum natura
- in reserve
- in residence
- in respect of
- in respect to
- in retrospect
- in return
- in reverse
- in reverse gear
- in reverse order
- in rhythm
- in rough
- in rude health