A Grammatical Dictionary of Botanical Latin

Trabs, gen.sg. trabis (s.f.III), abl. sg. trabe, nom. & acc. pl. trabes, gen. pl. trabium, dat. & abl. pl. trabibus: a cut or prepared piece of wood, a plank, a piece of lumber or timber; a single cross-bar on a trabeculate peristome tooth; syn. tignum,-i (s.n.II), q.v. [> L. trabs,-is (s.f.III), a tree trunk, a cut length of a trunk]; see beam, wood;

- in rimulis superficialibus (vix immersis) trabium (A&S), in the surficial little cracks (scarcely immersed) of [wooden] planks.

- [Codiolum] Habitat in insula Helgoland, ad trabes aestu marino irroratos (Braun), it grows on the island Helgoland, on pieces of lumber [i.e. driftwood] splashed by marine billows.

- Hab. ad saxa trabesque ligneos saepe emersos, undarumque spuma irrigatos it dwells on stones and woody planks, often half-submerged and irrigated by the foam of the waves.

- domesticam hanc aliquoties invenimus, in cellis nostris ad trabes, palos, ligna e Pino fabrefacta, crescentem.(S&A), we come across this household [species] several times, in our storerooms growing on lumber, stakes, wood constructed from Pine.

- [mosses] perist. dentes lanceolato-subulati trabeculati, inter trabes singulas medias lacuna s. fissura angusta pertusi, (Mueller), the teeth of the peristome [peristomii] lanceolate-subulate, trabeculate [i.e. with projecting cross-bars], between the middle individual cross-bar pierced through with a gap or split.

- [Conferva trichodes virgata, sericea. The Beasom-like Silk Conferva] Porro observavi in dulcibus aquis, v. gr. in Rivo novo prope Londinum, in ericeto Hounsleiano ad trabes & asses molares, aquæ perpetuo immersas (Dill.), long ago I had observed it in sweet [i.e. fresh] water, for example in the New River near London, in the Housleian heath-land on mill timber and axle-trees, perpetually immersed in water.