a group of convicts chained together, especially when working outside.
(US) a group of convicted prisoners chained together, usually while doing hard labour
The football officials who carry and set the chain that marks off the ten yards needed for a first down (1980s+)
a gear assembly in which motion is transmitted by means of a chain.
- Chain grate
noun a type of mechanical stoker for a furnace, in which the grate consists of an endless chain that draws the solid fuel into the furnace as it rotates
a codon that starts the synthesis of a protein molecule.
a letter sent to a number of people, each of whom is asked to make and mail copies to other people who are to do likewise, often used as a means of spreading a message or raising money. noun a letter, often with a request for and promise of money, that is sent to many […]