Definitions
1.VerbTo become hard.
2.VerbTo make something hard or harder.
3.VerbTo strengthen.
4.VerbTo modify (a website or other system) to make it resistant to malicious attacks.
5.VerbTo become or make (a person or thing) resistant or less sensitive.
6.VerbTo get an erection.
7.VerbTo become or make (a consonant) more fortis; to (cause to) undergo fortition.
8.VerbTo unpalatalize or velarize.
9.NounAlternative form of hurden (“coarse linen”).