lop

Etymology 1

From Middle English loppe (“bough”); the verb is a back-formation from the noun.

verb

1. (transitive, usually with off) To cut off as the top or extreme part of anything, especially to prune a small limb off a shrub or tree, or sometimes to behead someone.
   Some, for hard masters, broken under arms, In battle lopt away, with half their limbs, 1742, Edward Young, The Complaint: or Night-Thoughts on Life, Death & Immortality, Night I
2. To hang downward; to be pendent; to lean to one side.
3. To allow to hang down.
   to lop the head

noun

1. That which is lopped from anything, such as branches from a tree.

Etymology 2

From Middle English loppe (“flea, spider”), from Old English loppe (“spider, silk-worm, flea”), from Proto-Germanic *luppǭ (“flea, sandflea", originally, "jumper”), from Proto-Germanic *luppijaną (“to jump, dart”). Cognate with Danish loppe (“flea”), Swedish loppa (“flea”). Compare also Middle High German lüpfen, lupfen (“to raise”, obsolete also “to rise”).

noun

1. (Tyneside) A flea.
   Hadway wi ye man, ye liftin wi lops.
   Lice, That's nick name to the stuff called Lops 1651, John Cleveland, “The Hue and Cry after Sir John Presbiter”, in Poems

Etymology 3

Back-formation from lopsided. rabbit]]

noun

1. (US, dated, slang) (usually offensive) A disabled person, a cripple.
   "He's a lop; it mentions here about his getting up to the stand with his crippled leg but it doesn't say which one." 1935, Rex Stout, The League of Frightened Men, page 5
2. Any of several breeds of rabbits whose ears lie flat.