Definition of "semi-aquatic" []

• Spending part of the life cycle underwater. (adjective)
• Having the roots partially or entirely underwater. (adjective)

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• "And, while I'm in a paleo 'sort of mood, here's a marvelous thing: Puijila darwini, a semi-aquatic cousin of living seals, sea lions, and walruses."
• "Newt: “a small usually bright-colored semi-aquatic salamander.”"
• "That allows the men to get down to "smooshing," unimpeded by any semi-aquatic mammals."