(on a sailing vessel) a leading forward from the of the foremost mast to the stem or the end of the bowsprit.
[hed-stok] /ˈhɛdˌstɒk/ noun 1. the part of a machine containing or directly supporting the moving or working parts, as the assembly supporting and driving the live spindle in a lathe. /ˈhɛdˌstɒk/ noun 1. the part of a machine that supports and transmits the drive to the chuck Compare tailstock 2. the wooden or metal block […]
[hed-stohn] /ˈhɛdˌstoʊn/ noun 1. a marker set at the of a grave; gravestone. /ˈhɛdˌstəʊn/ noun 1. a memorial stone at the head of a grave 2. (architect) another name for keystone n. c.1400, “cornerstone,” from head (adj.) + stone (n.). Meaning “upright stone at the head of a grave” is 1775, from head (n.).
[hed-streem] /ˈhɛdˌstrim/ noun 1. a that is the source, or one of the sources, of a river. /ˈhɛdˌstriːm/ noun 1. a stream that is the source or a source of a river
theory A head-strict function will not necessarily evaluate every cons cell of its (list) argument, but whenever it does evaluate a cons cell it will also evaluate the element in the head of that cell. An example of a head-strict function is beforeZero :: [Int] -> [Int] beforeZero  =  beforeZero (0:xs) =  […]