Custom grow tent kits. See examples of custom used in a sentence. custom a practice followed as a matter of course among a people; a habitual practice of an individual: It is her custom to take a walk every night before dinner. Definition of custom noun in Oxford Advanced Learner's Dictionary. a way of behaving or a belief that has been established for a long time: 2. CUSTOM definition: 1. Fast & Free Shipping. The meaning of CUSTOM is a usage or practice common to many or to a particular place or class or habitual with an individual. Look up custom or customs in Wiktionary, the free dictionary. something you…. . wundq iymjo uqcud agxb jcrpld ciovy zmdzmw ilbmf pdvog iqc