Corner

Boyd’s Bible Dictionary:

(horned). Grain-field corners not allowed to be wholly reaped (Lev. 19:9; 23:229And when ye reap the harvest of your land, thou shalt not wholly reap the corners of thy field, neither shalt thou gather the gleanings of thy harvest. (Leviticus 19:9)
22And when ye reap the harvest of your land, thou shalt not make clean riddance of the corners of thy field when thou reapest, neither shalt thou gather any gleaning of thy harvest: thou shalt leave them unto the poor, and to the stranger: I am the Lord your God. (Leviticus 23:22)). “Legal corner,” one sixtieth of the field. “Length and breadth” of a country (Num. 24:1717I shall see him, but not now: I shall behold him, but not nigh: there shall come a Star out of Jacob, and a Sceptre shall rise out of Israel, and shall smite the corners of Moab, and destroy all the children of Sheth. (Numbers 24:17); Jer. 48:4545They that fled stood under the shadow of Heshbon because of the force: but a fire shall come forth out of Heshbon, and a flame from the midst of Sihon, and shall devour the corner of Moab, and the crown of the head of the tumultuous ones. (Jeremiah 48:45)). “Cornerstone,” chief stone in a foundation (Job 38:66Whereupon are the foundations thereof fastened? or who laid the corner stone thereof; (Job 38:6)). Figuratively (Isa. 28:1616Therefore thus saith the Lord God, Behold, I lay in Zion for a foundation a stone, a tried stone, a precious corner stone, a sure foundation: he that believeth shall not make haste. (Isaiah 28:16); Matt. 21:4242Jesus saith unto them, Did ye never read in the scriptures, The stone which the builders rejected, the same is become the head of the corner: this is the Lord's doing, and it is marvellous in our eyes? (Matthew 21:42)).