Definition of second line in English:

second line

Line breaks: sec¦ond line

noun

1A battle line behind the front line to support it and make good its losses: its capture would allow them to penetrate the second line of enemy defences
More example sentences
  • He tried to form a second line but Allied cavalry swept him away: by dawn on the 24th only about half his army was intact.
  • Badrand smiled as with a huge crash, his second line joined the battle.
  • Men in the first line fought until they were killed or wounded and then men from the second line would move up to fill the space.
2 [as modifier] Ranking second in strength, effectiveness, ability, or value: second-line American computer manufacturers
More example sentences
  • We have also had strong performances from some second-line stocks including Kingspan and Grafton Group.
  • But the working musicians who populate the neighborhood clubs, second-line parades and jazz brunches, are more vulnerable, often living gig to gig.
  • Fortunately their second-line bowlers were nowhere near as good.
3 [usually as modifier] A medical treatment or therapy used in support of another, or as a more drastic measure if the primary treatment is ineffective: second-line, expensive, often invasive tests
More example sentences
  • Another review of several case studies recommended oral and topical retinoids as second-line therapy for the treatment of flat warts.
  • No ideal second-line treatment has been established if the initial therapy fails to eradicate the organism.
  • These differences in second-line therapy may account for some part of the observed difference in survival.

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