sal /sɑːl/noun 1/sæl/ noun 1forms 2 noun1 •Shorea robusta, a dipterocarpaceous tree.As the sals were cut in the lower foothill districts the loggers looked towards the mountains in their search for other hardwood timber. — 1989 sal /sæl/ noun1 •(no longer used) Salt. formsSALs · sals