Applied to books or editions (esp. of the Greek New Testament and the classics) printed and published by the Elzevir family at Amsterdam, Leyden, etc., from about 1592 to 1680; also, applied to a round open type introduced by them. [
1913 Webster]
"The Elzevir editions are valued for their neatness, and the elegant small types used."
[1913 Webster]