1. speak loudly in order to get someone's attention
call out to me if you need a hand
'Call out' is a phrasal verb that is used in both professional and social contexts. Usually, 'calling out' to someone means to make a visit to their home. This is where we get the noun 'a call-out'. If you are 'calling out' to someone, you could be asking for help in some way. In more modern colloquial language, to 'call someone out' means to criticize them publicly for their wrongdoings. You can also 'call out' for food, for example, meaning to ring or order for food to be delivered to your home or office.