Entry 1 sense Webster, 1913

Sea spider

/sē spīd'-ẽr/ · Sea· spi·der · IPA

01 Any maioid crab; a spider crab. See Maioid, and Spider crab, under Spider.

1.
Any maioid crab; a spider crab. See Maioid, and Spider crab, under Spider.(Zool.) See: Maioid, Spider