أَرْضٌ مُغَثْرِيَةٌ

وَجَدَ المَاءَ مُغَثْرِيًا عَلَيْهِ means He found the water to be thronged: (K, TA:) or, according to Sgh, (TA,) you say, وَجَدْتُ المَاءَ مُغَثْرِيًا بِالوِرْدِ I found the water to be thronged by the coming thereto. (O, TA.)