unch
unch · unches
An unchecked square: one that is part of only one entryAn unchecked square: one that is part of only one entry (i.e., across or down, but not both).
Meaning
1 sensesAn unchecked square: one that is part of only one entry (i.e., across or down, but not both).
Origin
Clipping of unchecked square.Clipping of unchecked square.
Wiktionary, CC BY-SA 4.0 · source