What does clustering mean in crosswords?

clustering means: a grouping of a number of similar things

Which crossword clues can have clustering as the answer?

Possible clues for clustering include "Forms groups".

Word entry · 10 letters

Best crossword clue

"Forms groups"

10 letters · collected on this word page

10 lettersPronunciation /ˈklʌstɚɪŋ/Part of speech nounSorted cegilnrstuStarts with CEnds with G1 cluesCommon crossword word

1C2L3U4S5T6E7R8I9N10G

01“Forms groups”10 letters

Not quite right?

C_________