1o_ It is an international distress request signal, designed for use in morse key as it is easy to write (3 stitches, 3 stripes, 3 points). It is not an acronym, although it was popularly assigned meanings such as 'save our ship', 'save our souls', 'if it was made', 'save our souls', 'if they were made', 'if they were made', ' . . 2o_ Second (as 'vos' ) person in singular of the present indicative mode for the verb ser . See verbs/sos .
