A Grammatical Dictionary of Botanical Latin

Aestuarium,-ii (s.n.II), abl. sg. aestuario: "a part of the sea-coast which, during the flood-tide, is overflowed, but at the ebb-tide is left covered with mud or slime; a channel extending inland from the sea, and only filled with water at flood-tide, a creek, inlet" (Lewis & Short); “an inlet, etc., covered by the sea at high tide, tidal opening; a river estuary” (Glare) [> L. aestus,-us (s.m.IV), a boiling, waving, billowy motion, a periodic ebb and flow]; see ‘sound.’

- [Rhizophoraceae] species ad 50, omnes intertropicae, multae littora limosa ad aestuaria fluviorum vegetatione arborea insalubri dense obumbrant (B&H), species to 50, all within the tropics, many densely overshadowing muddy shores at the aestuaries of rivers with unhealthy arboreal vegetation.

- species intertropicae littora limosa ad aestuaria fluviorum vegetatione arborea insalubri dense obumbrant, the intertropical species the muddy shores at the estuaries of rivers with unhealthy woody vegetation densely cover over (Stearn).

Aestuarium Reginae Charlottae: Queen Charlotte Sound, New Zealand.

Estuary, “a water passage (as the mouth of a river) where the tide meets the current of a stream, a tidal river; also an arm of the sea at the lower end of a river; a drowned river mouth caused by the sinking of the land near the coast” (WIII).

Sound: “a long and rather broad inlet of the ocean generally with its larger part extending roughly parallel to the coast; a long passage of water connecting two larger bodies but too wide and extensive to be termed a strait” (WIII).