neap
Half-moon tide
Neap describes a tide with the smallest range between high and low water, occurring twice monthly when the sun and moon pull at right angles to each other.
The opposite of a spring tide.
As a noun, a neap or neap tide: The neap made it hard to launch the boats.
Rarely, to neap means to run aground during neap tide.
Natural planetary satellite
- phasesDistinct periods in sequence
- gravitationalRelating to mass-based attraction
- syzygyTrilinear celestial arrangement
- quarterOne of four parts
waxing · waning · crescent · gibbous · orbit · celestial · perigee · apogee
moon
Natural planetary satellite
- phasesDistinct periods in sequence
- gravitationalRelating to mass-based attraction
- syzygyTrilinear celestial arrangement
quarter · waxing · waning · crescent · gibbous · orbit · celestial · perigee · apogee · pull
ebb
Gradual retreat seaward
- floodOverwhelming water overflow
- tidelandPeriodically submerged coast
- foreshoreIntertidal coastal zone
intertidal · estuary · harbor · inlet · cove · lagoon · marshland · mangrove · bayou · sound
navigation
Determining position and course
keel · shoal · sandbar · channel · piloting · seafaring · maritime · ship · vessel · berthing
- tidal termstide, wave, ebb, flow, spring tide