• long pole above the hull of a ship which supports the rigging and sails (nautical); flagpole; tall post which supports radio or television cables
• the masts of a boat are the tall upright poles that support its sails.
• a radio or television mast is a very tall pole that is used as an aerial to transmit sound or television pictures.
at half mast
• at a position halfway below the top of a mast of a ship (of a sail); halfway down a flagpole to signify respect for the dead (of a flag)
flag at half mast
• flag flying halfway down a flagpole as a sign of mourning
• halfway down from the top of a mast; hung halfway down the mast (of a flag)
• if a flag is flying at half-mast, it is flying from the middle of the pole as a sign of mourning.
• (nautical) temporary mast that is placed to replace a mast that has broken off
lower a flag to half mast
• lower the flag to the midpoint of the flagpole (to commemorate a sad event)
lowered the flag to half mast
• lowered the flag to the midpoint of the flagpole (to commemorate a sad event)
raise a flag from half mast
• put up a flag that had been lowered half-way down the pole
• (nautical) small mast that is placed right above the topgallant mast
the flag was lowered to half mast
• flag was lowered half-way down the flag-pole, lowering of a flag as a symbol of mourning or commemoration