A History of Short Words

From the New York Times Crossword Puzzle

SEAL

Mon, 29 Nov '21
___ of approval
Mon, 25 Oct '21
Circus animal balancing a ball on its nose
Tue, 10 Aug '21
Close tightly
Tue, 3 Aug '21
Follower of Navy or presidential
Sun, 1 Aug '21
Grown-up pup
Thu, 29 Jul '21
Indicator of approval
Tue, 27 Jul '21
Animal that "claps"