c. 1400, from spear (n.1) + head (n.). Figurative sense of "leading element" (of an attack, movement, etc.) is attested from 1893; the verb in this sense is recorded from 1938. Related: Spearheaded; spearheading.
雙語例句
1. Mr. Dambar had started off as an assistant to Mrs. Spear's husband.