The most common and most likely answer to this crossword clue is the 4 letter word LAKE
I've seen this crossword clue in The Times
L
A
K
E
More clues leading to the result LAKE
- A mere particle of snow, not the first
- Carmine‘s watery body?
- Mere hint of snow; 0 Fahrenheit
- North-country sport, feature of local district?
- Mere holiday up north
- Superior maybe that’s red in excess?
- Following this mass of water could be a bit of snow
- Mere elk roaming around area
- Feature on map indicated by blue or red pigment
- Pool‘s kinglike wingers to take on City
Buddy explains!

The straight part
We know that "mere" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case mere = lake.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does LAKE mean?
LAKE noun- A small stream of running water; a channel for water; a drain.
- A large, landlocked stretch of water.
- A large amount of liquid; as, a wine lake.
- A pit, or ditch
- An offering, sacrifice, gift.
- Play; sport; game; fun; glee.
- To present an offering.
- To leap, jump, exert oneself, play.
- A kind of fine, white linen.
- In dyeing and painting, an often fugitive crimson or vermillion pigment derived from an organic colorant (cochineal or madder, for example) and an inorganic, generally metallic mordant.
- In the composition of colors for use in products intended for human consumption, made by extending on a substratum of alumina, a salt prepared from one of the certified water-soluble straight colors.
- To make lake-red.