mast /mɑ:st/ n.［c］桅杆，旗杆：single-masted fishing boat单桅渔船The mast snapped.桅杆啪 的一声断了。Mast may refer to a similar structure on land, especially a flagpole or a television or radio transmitter. Mast可以指陆地上的秆状物，尤其是旗杆、电视或无线发射的天线等。