a nail having a small, conical head, slenderer than a common nail of the same length, used for laying floors, fastening matchboarding, and other work in which the head may remain visible. Cf. finishing nail .
CASING NAIL
Meaning of CASING NAIL in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012