Dropping back
is dropping back, yielding some ground to Black instead of making the obvious, but potentially heavy extension at a, or a hane at b which will encourge Black to keep on with c.
The English term dodge may also be used, but it has a wider range of meanings. Suggestion: perhaps the military term 'to fall back' i.e. a controlled retreat without panicking or entirely running away, might also be appropriate?
As it may be impractical to play right next to a very strong group, but possible to contain it an increased distance, this is an application of don't play near thickness.
, , and are one possible follow-up to White's dropping back move. White is treating lightly.
Example 1
here is quite a bad idea. Black's cut at is strong, and suddenly Black can see some use for the stone.