Also see definition of "Forefront" in Word Study
Study Dictionary
Forefront
FOREFRONT [ISBE]
FOREFRONT - for'-frunt (panim): For "forefront," "front" is now generally used, since "back-front" has gone out of use. "Forefront" is the translation of panim, "face" (2 Ki 16:14; Ezek 40:19 bis; 47:1); of mul panim, "over against the face" (Ex 26:9; Lev 8:9, "And he put the mitre upon his head; also upon the mitre even upon his forefront, did he put the golden plate"; for "upon his forefront" the Revised Version (British and American) has "in front; 2 Sam 11:15, "in the forefront of the hottest battle"); of ro'sh, "head" (2 Ch 20:27); of shen, "tooth" (1 Sam 14:5, "The forefront (The King James Version, margin "Hebrew tooth") of the one was situated northward over against Michmash," the Revised Version (British and American) "The one crag rose up on the north in front of Michmash"); in 1 Macc 4:57 margin it is the translation of prosopon, "face": "They decked the forefront of the temple with crowns of gold."The Revised Version (British and American) has "forefront" for "face" (Ezek 40:15), "in the forefront of" for "over against" (Josh 22:11).
W. L. Walker
Also see definition of "Forefront" in Word Study