activities associated with sexual intercourse | the act of making or becoming a single unit |
the properties that distinguish organisms on the basis of their reproductive roles | the act of pairing a male and female for reproductive purposes |
all of the feelings resulting from the urge to gratify sexual impulses | a device on a national flag emblematic of the union of two or more sovereignties (typically in the upper inner corner) |
either of the two categories (male or female) into which most organisms are divided | the occurrence of a uniting of separate parts |
| an organization of employees formed to bargain with the employer |
| a political unit formed from previously independent people or organizations |
| a set containing all and only the members of two or more given sets |
| healing process involving the growing together of the edges of a wound or the growing together of broken bones |
| the state of being joined or united or linked |
| the state of being a married couple voluntarily joined for life (or until divorce) |