meeting place; rendezvous (point); roll-call (assembly) point; appointed (designated) place
time appointed for meeting (assembling); time one is supposed to meet
apartment building; housing complex
complementary set; complement
(crime of) assembling with dangerous weapons
meeting and parting; gathering and scattering; alignment and realignment; discrete set
denumerable set; countable set
collective goods (i.e. goods or services such as parks, highways, etc. which could be supplied privately, but are usually provided by the government)
group suicide; mass suicide; arranged suicide of two or more people
single crime that naturally consists of a number of incidences and is charged as only one count (e.g. habitual gambling); crime whose goal requires a large number of people acting together (e.g. insurrection)
alphanumeric character set
RISC (Reduced Instruction Set Computer)
complementary set; complement
partially ordered set; poset; semi-ordered set
null set; set of measure zero
collective chimney; centralized smoke stack