a telephone directory or section of a directory (usually printed on yellow paper) where business products and services are listed alphabetically by field along with classified advertising
a show of military force or preparedness; "he confused the enemy with feints and demonstrations"
a public display of group feelings (usually of a political nature); "there were violent demonstrations against the war"
proof by a process of argument or a series of proposition proving an asserted conclusion
a visual presentation showing how something works; "the lecture was accompanied by dramatic demonstrations"; "the lecturer shot off a pistol as a demonstration of the startle response"
an ancient musical horn made from the horn of a ram; used in ancient times by the Israelites to sound a warning or a summons; used in synagogues today on solemn occasions