noun, masculine/mosˈtaxo/plural: mostajos
mostajo is masculine in Spanish.
Sorbus spp., especially common whitebeam (Aria edulis, syn. Sorbus aria)
Synonyms: mostellar
From a Vulgar Latin extension of Latin mustum (“must”), because of the berries being stored in must or tasting of wine. See Arabic مُشْتَهَى (muštahā) for cognates. Doublet of mostellar from Leonese mostellar.