- elephant-fish
- elevate!
- elevated pole
- elevation, in ship-building
- elevation, angle of
- elger
- eligugs
- elite
- elleck
- elliot-eye
- ellipse
- elmo's fire, st.
- elongation
- elvers
- embargo
- embark, to
- embarkation
- embarment
- embarras
- embattle
- embattled
- embedded
- ember-goose
- embezzlement
- embouchure
- embrasures
- emeralders
- emergency
- emersion
- eminence
- emissary
- emprise
- emptions
- empty
- empty bastion
- empty bottle
- encampment
- enceinte
- encircling reefs
- encounter
- endanger, to
- endecagon
- endelong
- end for end
- end of a trench
- end-on
- enemy
- enfield rifle
- enfilade fire
- engagement
- engine, marine
- engine-bearers
- engineer
- engine-room telegraph
- england expects every man will do his duty
- english
- enlarge
- enlistment
- enneagon
- ennis
- enrol, to
- ensconce, to
- ensenada
- ensign
- entering at custom-house
- entering-ladders
- entering-ports
- side-ropes
- entering-ropes
- enterprise
- entrance
- entrance money
- entry
- envelope
- shoulder
- epaule
- epaulement
- epaulet
- ephemeris
- epicycloid
- epoch
- eprouvette
- equated anomaly
- equation, annual
- equation of equinoxes
- equation of the centre
- equation of time
- equator
- equatorial current
- equatorial doldrums
- equatorial sector
- equatorial telescope
- eques auratus
- equilateral triangle
- equinoctial
- equinoctial gales
- equinoctial points
- equinoxes
- equip, to
- equipage