plural of crisis line

plural of springing line

(ornithology) The straight and direct path of a crow's flight.

plural of crow-line

plural of demarcation line

(politics, military) A geopolitical border, often agreed upon as part of an armistice or ceasefire.

plural of sounding line

Of a decision, result, etc.: Very close or finely balanced; having the potential to go either way.

plural of laugh line

plural of line umpire