secondary sex characteristicsecondary sex characteristic
any of the physical characteristics that differentiate male and female individuals, as distribution of hair or fat on the body, breast and muscle development, deepening of the voice, etc., that are not directly related to reproduction and usually appear at puberty
secondary sex characteristic
Any of various physical characteristics that differ between the sexes but do not have a direct reproductive function, appearing in humans at puberty and in other animals at sexual maturity or during the mating season. Also called secondary sexual characteristic .