"breather" in the noun sense
1. breath, breather, breathing place, breathing space, breathing spell, breathing time
a short respite
2. snorkel, schnorkel, schnorchel, snorkel breather, breather
air passage provided by a retractable device containing intake and exhaust pipes permits a submarine to stay submerged for extended periods of time
Source: WordNet® (An amazing lexical database of English)
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