A Grammatical Dictionary of Botanical Latin

Fretum,-i (s.n.II), abl. sg. freto; fretus,-us (s.m.IV), abl. sg. fretu: strait, sound, channel; see 'sound;'

- in freto Magellanico, in the Strait of Magellan.

- in nemoribus montosis ad fretum Magellanicnm (DeCandolle), in woodland glades in mountainous places at the Strait of Magellan.

- fretum Herculeum, the Strait of Gibraltar (Stearn).

- Gaditanum Fretum, Strait of Gibraltar.

- Niagarae Fretum, Strait of Niagara.

- ad algas varias in freto anglico, on various algae in the English Channel.

- [lichen] in insula árctica Freti Behringiani (Wright), in locis collinis nudis, supra lapillos silaceos, etc., ex Tuck. l. c. (Nyl.), on the arctic island of the Behring Strait (Wright), in bare, hilly places upon yellowish-brown pebbles, etc., according to Tuckerman in the places cited.

- trajiciens mare, fretum, amnem, Rhenum, crossing over the sea, the [strait, sound, channel], the river, the Rhine.

Gallicum Fretum: Strait of Dover; Herculeum Fretum, Gaditanum Fretum: Strait of Gibraltar; Magellanicum Fretum, Magellani Fretum: Strait of Magellan, Chile, southern South America.