Boisterous / Suitable for rough use.

(sailing) A small sailboat lacking a bowsprit, of a type found primarily in the Massachusetts area / (entertainment) A slapstick comedy or comedian. / (circus) A tumbler.

plural of knock-on

A small container usually provided with a bar used to empty espresso grounds by pounding a portafilter against the sides or the bar.

Calidris canutus, a species of wading bird.

The tormentil.

(idiomatic) A phrase used to get someone's attention before announcing something.

The name of something the speaker does not want to mention, but which is known, or very likely to be known, to the listener. It can be plural (as in "... the you-know-whats").

For success, and especially to obtain employment, one's knowledge and skills are less useful and less important than one's network of personal contacts.

The three-tangle pretzel knot with two right-handed twists in its first tangle, three left-handed ones in its second, and seven left-handed ones in its third.