I know hundreds of people who have spent years and thousands of dollars on tests looking for ulcers or spastic bowels. I tell them to lay off all dairy products for two weeks. The results are usually so striking that it changes their lives.
Two or more syllables that together make up the smallest unit of rhythm in a poem. For example, an iamb is a foot that has two syllables, one unstressed followed by one stressed. An anapest has three syllables, two unstressed followed by one stressed.