p. pr. & vb. n. - of Toss
n. - The act of throwing upward; a rising and falling suddenly; a rolling and tumbling.
n. - A process which consists in washing ores by violent agitation in water, in order to separate the lighter or earhy particles; -- called also tozing, and treloobing, in Cornwall.
n. - A process for refining tin by dropping it through the air while melted.