A day on which half of the day is free from work or duty; a holiday of one half of a day.(noun)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "half-holiday" in a sentence
"I came into it in that dead hour of the afternoon which is neither after lunch nor before tea, nor anything else even on a half-holiday; and I had a fantastic feeling that I had strayed into a lost and extra hour that is not numbered in the twenty-four."
"The Brotherhood of Carpenters and Joiners, for instance, serves notice on the Master Builders 'Association that it demands an increase of the wage of its members from $3.50 a day to $4.00, and a Saturday half-holiday without pay."
"Also, they expect the Saturday half-holiday to give work to one additional man for each eleven previously employed."