Definition from Wiktionary, the free dictionary
Perhaps of Scandinavian origin: compare dialectal Norwegian neip (“forked pole”).
neap (plural neaps)
neap (not comparable)
- Designating a tide which occurs just after the first and third quarters of the moon, when there is least difference between high tide and low tide.
1934, Henry Miller, Tropic of Cancer:
- Little groups of sailors came swinging along and pushied their way noisily inside the gaudy joints. Sex everywhere: it was slopping over, a neap tide that swept the props from under the city.
designating type of tide
- To trap a ship (or ship and crew) in water too shallow to move, due to the smaller tidal range occurring in a period of neap tides.