Definition of "firths" [firths]

• Plural form of firth. (noun)

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• "Scotland has some 2,300 miles of coastline, including numerous estuaries called firths and sea lochs."
• "Max. that “the only way to reduce the levels of CO2 emissions is to rely on nuclear power,” then the next logical iteration of their proposal is to build dozens more — a radioactive necklace of giant refrigerators — and then turn all those firths and lochs into glacier fields, maintaining Scotland's national climate as it awaits atmospheric conditions to return to pre-modern levels."
• "       Portcullised rivers, and the fleeing firths."