| sexual dimorphism |
within one species, the existence of differing forms for males versus females, as, for example, in birds. |
| sexual harassment |
the repeated making of unwanted and unsolicited sexual remarks, behaviors, or propositions, especially on the part of one in a position of authority and toward a person of lower status within the same organization, often a workplace. |
| sexual intercourse |
the act of inserting the penis into the vagina, esp. when the ejaculation of semen occurs; coitus; copulation. |
| sexuality |
the fact of being male or female; sexual differentiation. [3 definitions] |
| sex up |
to stimulate sexually. [2 definitions] |
| sexy |
of a person, sexually attractive or exciting. [2 definitions] |
| Seychelles |
an island country in the Indian Ocean, northeast of Madagascar. |
| Seyfert galaxy |
any of numerous spiral galaxies that have a small bright nucleus and emit light and radio waves of variable intensity. |
| sf |
abbreviation of "science fiction." |
| sforzando |
with sudden force or strong emphasis; accented (used as a musical direction). [2 definitions] |
| sgraffito |
a technique of decorating ceramics or the like by cutting through a glaze or other surface later to reveal a ground of a different color. [3 definitions] |
| Sgt. |
abbreviation of "Sergeant." |
| sh |
be quiet; hush (used to request or demand silence). |
| shabby |
showing signs of wear; threadbare; run-down. [4 definitions] |
| Shabuoth |
variant of Shavuoth. |
| shack |
a small, cheaply constructed building used as a house or for storage. |
| shackle |
a metal band or one of a pair of metal rings used to bind the wrist or ankle of a prisoner or animal. [5 definitions] |
| shack up |
(slang) to live with a lover without being wed. |
| shad |
any of several edible fishes of the herring family that swim up streams to spawn. [2 definitions] |
| shadberry |
the fruit of the shadbush or serviceberry. [2 definitions] |
| shadbush |
the juneberry. |