Keel vs Https - What's the difference?

As a noun keel

is skittle, pin.

(internet) hypertext transfer protocol secure (http secure), an encrypted form of information transfer on the internet.

(wikipedia keel)

(en noun)

(nautical) A large beam along the underside of a ship’s hull from bow to stern.

(nautical) Sometimes, a rigid, flat piece of material anchored to the lowest part of the hull of a ship to give it greater control and stability.

(nautical) A type of flat-bottomed boat.

A material similar to chalk or crayon used to mark pavement.

(zoology) The periphery of a whorl extended to form a more or less flattened plate; a prominent spiral ridge.

(botany) The two lowest petals of the corolla of a papilionaceous flower, united and enclosing the stamens and pistil; a carina.

A brewer's cooling vat.

* even keel * keelhaul * keel over

(en verb)

to collapse, to fall

He keeled over after having a stroke.

To traverse with a keel; to navigate.

To turn up the keel; to show the bottom.

* keel over

* ----

(Initialism) (head)

(internet) Hypertext Transfer Protocol Secure (HTTP Secure), an encrypted form of information transfer on the Internet.