headcut

Etymology

From head + cut.

headcut means an erosional feature of some intermittent and perennial streams with an abrupt vertical drop (knickpoint) in the stream bed. Lexicurio rates it Sui generis — a strength score of 98 out of 100.

noun

An erosional feature of some intermittent and perennial streams with an abrupt vertical drop (knickpoint) in the stream bed.“Above the lower headcut, phreatophytic mesquite and little leaf sumac hug the banks, drawing pendulate water from the silts remaining from former marsh deposits and sending long taproots into channel stores.”