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Directed forward and upward, as the hairs on certain plant stems.
[New Latin antrōrsum, from Latin anterior, before (perhaps after intrōrsum, inwards, from interior, inside); see anterior.]
(Biology) biology directed or pointing upwards or forwards
[C19: from New Latin antrorsus, from antero- front + -orsus, as in Latin introrsus; see introrse]
Biol. bent in a forward or upward direction.
[1855–60; < New Latin antrorsus=antr-, as presumed base of Latin anterior anterior + -orsus, < Latin intrōrsus introrse]