the shorter catechism
Webster's Dictionary (GCIDE)
Catechism \Cat"e*chism\ (-k[i^]z'm), n. [L. catechismus, fr. Gr. See Catechise.]
1.A form of instruction by means of questions and answers. [1913 Webster]
2.A book containing a summary of principles, especially of religious doctrine, reduced to the form of questions and answers. [1913 Webster]
The Jews, even till this day, have their catechisms.— Hooker.[1913 Webster]
The Larger Catechism, The Shorter Catechism. See Westminster Assembly, under Assembly. [1913 Webster]