leopard frog(n = noun.animal) rana pipiens, spring frog - common North American green or brownish frog having white-edged dark oval spots;
is a kind of ranid, true frog
is a member of genus rana, rana

african clawed frog, barking frog, cascades frog, chameleon tree frog, chorus frog, cricket frog, eastern cricket frog, frog, frog kick, frog legs, frog orchid, goliath frog, grass frog, green frog, horny frog, leopard, leopard cat, leopard lily, leopard lizard, leopard plant, leptodactylid frog, northern casque-headed frog, northern cricket frog, pickerel frog, robber frog, sea leopard, sheep frog, snow leopard, spring frog, tailed frog, tarahumara frog, toad frog, tongueless frog, tree frog, true frog, wood frog