زَيْدٌ

a verbal noun of زَادَ. (S, Mgh, Msb.)

[Hence,] هُمْ زَيْدٌ عَلَى مِايءَةٍ (S, A, L) and ↓ زِيدٌ (S, L) and ↓ زِياَدَةٌ (A) (tropical:) [They are more than a hundred].