the option to buy or sell a given stock (or stock index or commodity future) at a given price before a given date; consists of an equal number of put and call options
the act of sitting or standing astride
a gymnastic exercise performed with a leg on either side of the parallel bars
a single undivided whole; "an idea is not a unit that can be moved from one brain to another"
an organization regarded as part of a larger social group; "the coach said the offensive unit did a good job"; "after the battle the soldier had trouble rejoining his unit"
a single undivided natural thing occurring in the composition of something else; "units of nucleic acids"
an individual or group or structure or other entity regarded as a structural or functional constituent of a whole; "the reduced the number of units and installations"; "the word is a basic linguistic unit"