See Also: Jack Line, Jack Stay - Sailing(gambling)
jack-line(dictionary)
jack-up(dictionary)
Jack(2)(dictionary)
jack(encyclopedia)
new jack(dictionary)
jack(3)(dictionary)
Jack(1)(dictionary)
Jack-in-the-box(dictionary)
Jack the Lad(dictionary)

Jack Line, Jack Stay - Sailing (gambling) and self incompatibility (medicine)


Jack Line, Jack Stay - Sailing (gambling)


A strong line, usually of flat webbing, or a wire stay running fore and aft along the sides of a boat to which a safety harness can be attached.

self incompatibility (medicine)


self incompatibility
<plant biology> Inability of pollen grains to fertilize flowers of the same plant or its close relatives.

Acts as a mechanism to ensure out breeding within some plant species, for example in the case of the S gene complex in Brassicas.