ultramarin marine translations
ultramarin.online
nl topblok    
de Toppblock  
en span block block hooked or shackled into the eyes of a span that lies across a mast cap;
fr poulie supérieure de drisse de bonnette  
es motón de driza de ala      
it bozzello superiore della drizza d'una vela di caccia
bozzello incannaccato
bozzello a branca