D defs.my
Entry 1 sense Webster, 1913

Coastwise

/(-wīz`)/ · Coast·wise · IPA
01 adv. By way of, or along, the coast; following a coastline; as, coastwise winds contributed to the storm.
  1. 1.
    By way of, or along, the coast; following a coastline; as, coastwise winds contributed to the storm.