- ramrod
- ramshackle
- ran
- rance
- randan
- random shot
- range
- range, to
- range-heads
- range of a gun
- range of cable
- ranges, horned
- rank
- rank and file
- ransack, to
- ransom
- raper
- rap-full
- rapid
- rapparee
- rase
- rasee
- rash
- rasing
- rasing-iron
- rat
- ratcher
- ratchet
- rate
- rate a chronometer, to
- rated ship
- rath
- rating
- ration
- rational horizon
- ratlings
- ratlines
- rat's-tail
- rattan
- rattle down rigging, to
- raun
- rauner
- rave-hook
- ravelin
- ravine
- ray
- raze, to
- razed
- razor-back
- razor-bill
- ratch
- reach
- reaching
- ready oh!
- ready about!
- ready with the lead!
- real
- realillo
- reem out, to
- ream or reem out, to
- reaming
- rear
- rear-admiral
- rear-guard
- rearing
- rear-rank
- rear-ship
- re-assemble
- reasty
- reavel
- reballing
- rebate
- rebates
- rebels
- receivers of droits of admiralty
- receivers of wreck
- receiving-ship
- reciprocate
- reciprocity
- reckoning, ship's
- recoil
- reconnaissance
- reconnoitring
- recreant
- recta prisa regis
- rectifier
- redan
- redd
- redd-fish
- redemptioner
- redhibition
- red-hot balls
- redoubt
- red pine
- reduce, to
- reduce a charge, to
- reduce a place, to
- reduction of celestial observations
- reef
- reef-band