plural of glass-bottom boat

A small flat-bottomed boat having a panel of glass at the bottom surrounded by seating so that passengers can view sea life.

present participle of bottom fall out

(idiomatic) To fail; to collapse; to worsen; to enter a state of disarray.

past participle of bottom fall out

A young boy employed to make the base of a saggar from a lump of fireclay, knocking it into a metal ring with a wooden mallet.

(idiomatic) To be absolutely sure of something; to be certain enough of something to wager everything.

In earnest; sincerely; with one's full feeling.

(idiomatic, obsolete) To finish a job.

plural of saggar maker's bottom knocker