ˈlakəˌnizəm noun
( -s )
Etymology: Middle French & Greek; Middle French laconisme, from Greek lakōnismos imitation of Lacedaemonian manners, especially in terseness of expression, from lakōnizein to speak laconically, laconize
1. : brevity or terseness of expression
the provocative laconism of the newspaper headline, which conceals meaning almost as often as it expresses it — B.R.Redman
2. : a laconic expression