You put a baby in a crib with an apple and a rabbit. If it eats the rabbit and plays with the apple, I'll buy you a new car.
A metrical foot of two syllables, one short (or unstressed) and one long (or stressed). There are four iambs in the line "Come live/ with me/ and be/ my love," from a poem by Christopher Marlowe. (The stressed syllables are in bold.) The iamb is the reverse of the trochee.