Plural of bulrush; multiple tall, slender water plants with round stems found in marshes and wetlands.
Regular plural formation of 'bulrush' with the '-es' suffix (Old English '-as' eventually becoming '-es' for words ending in sibilants). The plural form was especially common in biblical and literary contexts.
Interestingly, 'bulrushes' appears far more frequently in published texts than 'bulrush,' especially in older literature and biblical references. This suggests that historically, people encountered these plants in groups rather than individually—they grew in stands, so the plural was the more natural form to use.
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