(intransitive) to study something thoroughly, to work hard on something, to brainstorm

floor / lower limit / floor

seafloor, seabed

(informal, figuratively) terra firma, solid ground

(informal, figuratively) to sling one's hook, to buzz off, to beat it

(informal) pedal to the metal, at full throttle, hell-for-leather (at full speed)

(informal, figuratively) to put the pedal to the metal, to floor it

second-person singular future of plancher

first-person singular future of plancher

first/second-person singular conditional of plancher