the world > the earth > water > flow or flowing > tide > type of tide > types of tide [verb (intransitive)] > ebb or flow (4)
intransitive. Nautical. Of the flood or ebb tide: to begin to flow or ebb respectively; (also) to be in progress. Hence, of the tide: to flow…
intransitive. Of the tide: to set, to flow. Obsolete.
Of the tide (cf. to set in at phrasal verbs 2).
intransitive. To advance in a certain direction; now only in to make up to: to draw near to, approach. Also (occasionally), of the tide: to flow…