Every track of thought seemed to lead to a dead end.

He fell back on an earlier track of thought.

Get away from this dangerous track of thought, now!

Certainly his tracks of thought were very similar.

She lost all track of thought, all notion of time.

I lay awake for some time that night, endeavouring to follow out the track of thought I had entered upon in my conversation with Zara.

The two alternate tracks of thought chased each other in diminishing circles, like rabid dogs biting at each others tails and legs.

You can say what you like,' said Tuppence, apparently following her own track of thought, 'the whole thing ties up round Sutton Chancellor.

We are all grave men, entering gravely on an experiment which may unfold the wisdom of old times, and enlarge human knowledge indefinitely; which may put the minds of men on new tracks of thought and research.

The train of thought or track of thought refers to the interconnection in the sequence of ideas expressed during a connected discourse or thought, as well as the sequence itself, especially in discussion how this sequence leads from one idea to another.