a small short sharp-pointed nail, usu with a broad flat head
a long loose straight stitch usu used to hold two or more layers of fabric together temporarily
the direction of a sailing vessel with respect to the direction of the wind
the run of a sailing vessel on one tack
a change of course from one tack to another
a course of action or way of dealing with something
on a new tack
the lower forward corner of a fore-and-aft sail
a sticky or adhesive quality