You searched for: moving forward together (Engelska - Xhosa)

a pivot line used in docking, undocking, or to prevent the boat from moving forward or astern while made fast to a dock.
eyona ntambo esetyenziswayo ukubamba inqanawe, ukungayibambi, ukuthintela inqanawe ingayi phambili/ ukuyibamba emva xa ikhawuleziswa apho ima khona.

in deep water, the water forming the broken crest of a wave may be considered as moving forward and downward at about half the speed of the wave.
kumanzi anzulu, amanzi adeleka ngokophuka kohlwitha lwamaza angacingelwa njengoshenxiso lwangaphambili okanye lwangasemva angakwisantya esiyihafu samaza.

any spring which prevents the ship from moving back (aft) is known as a back spring, and one that prevents a ship from moving forward (ahead) is known as a head spring.
any spring which prevents the ship from moving back (aft) is known as a back spring, and one that prevents a ship from moving forward (ahead) is known as a head spring.